Bio112 Home Work Community Structure

Size: px
Start display at page:

Download "Bio112 Home Work Community Structure"

Transcription

1 Bio112 Home Work Community Structure Multiple Choice Identify the choice that best completes the statement or answers the question. 1. All of the populations of different species that occupy and are adapted to a given habitat are referred to by which term? a. biosphere b. community c. ecosystem d. niche e. ecotone 2. Niche refers to the a. home range of an animal. b. preferred habitat for an organism. c. functional role of a species in a community. d. territory occupied by a species. e. locale in which a species lives. 3. A relationship in which benefits flow both ways between the interacting species is a. a neutral relationship. c. competitive exclusion. d. mutualism. 4. A one-way relationship in which one species benefits and directly hurts the other is called a. commensalism. b. competitive exclusion. c. parasitism. d. obligate mutualism. e. neutral relationship. 5. The interaction in which one species benefits and the second species is neither harmed nor benefited is b. parasitism. c. commensalism. d. competition. e. predation. 6. The interaction between two species in which one species benefits and the other species is harmed is c. competition. d. predation. e. none of these 7. The relationship between the yucca plant and the yucca moth that pollinates it is best described as a. camouflage. c. competitive exclusion. d. mutualism. e. all of these

2 8. Competitive exclusion is the result of c. competition. d. predation. 9. The subdividing of some category of similar resources in a way that allows competing species to exist is. b. social parasitism. c. predation. d. mimicry. e. resource partitioning. 10. Which of the following is an adaptation against predation? a. thorns b. social behavior c. mimicry d. thorns and social behavior e. thorns, social behavior, and mimicry 11. Chemicals in both plants and animals serve as which of the following to predators? a. warnings b. repellents c. toxins d. bad tastes e. all of these 12. Which of the following does NOT apply to parasitoids? a. insects b. kill animals on which they feed c. host usually survives d. smaller in size than prey e. effective biocontrol agents 13. Which of the following is the most common interaction between species? b. predation c. parasitism d. mutualism e. commensalism 14. A non-poisonous butterfly, which gains protection by looking like a bad-tasting butterfly, exhibits what adaptive feature against predation? b. chemical defense c. mutualism d. mimicry e. warning coloration

3 15. When populations of two different species interact over long periods of time, changes in the gene pool of one species can lead to changes in the gene pool of the other. This is called b. coevolution c. coincidence d. commensalism e. predation 16. The weakest symbiotic attachment, in which one species simply lives better in the presence of another species without harming it is a. commensalism. b. competitive exclusion. c. mutualism. d. facultative obligate mutualism. 17. The interaction between two species in which both species may be harmed is known as b. parasitism. c. commensalism. d. competition. e. predation. 18. A male wolf who is courting a female bares his teeth when a second male approaches the same female. The second male retreats. This series of events provides an example of a. a neutral interaction. b. exploitation competition. c. interference competition. d. competitive exclusion. e. commensalism. 19. Gause's exclusion principle refers to a. isolation. b. competition. c. habitat preference. d. physiological adaptation. e. habitat destruction. 20. Competitive exclusion is based upon the idea that a. one species will voluntarily allow the other to survive. b. no two species can completely occupy the same niche. c. the larger species will dominate the smaller. d. competition is overrated as a factor in species survival. e. two species can live together if they share the same niche but only at alternate times. 21. Conditions of stable coexistence between predator and prey include a. high predator reproductive rate relative to that of the prey. b. a carrying capacity for prey which is not high. c. large predator size relative to that of the prey. d. high predator reproductive rate relative to that of the prey and a carrying capacity for prey which is not high. e. high predator reproductive rate relative to that of the prey, a carrying capacity for prey which is not high, and large predator size relative to that of the prey.

4 22. If multiple species find themselves competing for the same resource, the competition can be reduced by which of the following? a. camouflage b. cooperation c. resource partitioning d. resource expansion e. mimicry 23. Which of the following is not a method predators use to capture prey? a. pursuit b. ambush c. camouflage d. chemical warfare e. protective shells 24. Which of the following is not a method prey species use to avoid capture? a. highly developed sense of sight or smell b. spines and thorns c. chemical warfare d. ambush e. camouflage 25. Humans hunt the black rhinoceros, which is rapidly approaching extinction as a result of this predation. What accounts for the absence of stable coexistence between the two species? a. Predator and prey have not coevolved. b. Human predation is not necessarily density-dependent. c. The prey reproductive rate is greater than that of the predator. d. Predator and prey have not coevolved and human predation is not necessarily density-dependent. e. Predator and prey have not coevolved, human predation is not necessarily density-dependent, and the prey reproductive rate is greater than that of the predator.

5 Bio112 HW 6 Community Structure Answer Section MULTIPLE CHOICE 1. ANS: B PTS: 1 DIF: Easy 2. ANS: C PTS: 1 DIF: Easy 3. ANS: D PTS: 1 DIF: Easy 4. ANS: C PTS: 1 DIF: Easy 5. ANS: C PTS: 1 DIF: Easy 6. ANS: D PTS: 1 DIF: Easy 7. ANS: D PTS: 1 DIF: Easy TOP: MUTUALLY BENEFICIAL INTERACTIONS 8. ANS: C PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS 9. ANS: E PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS 10. ANS: E PTS: 1 DIF: Moderate 11. ANS: E PTS: 1 DIF: Moderate 12. ANS: C PTS: 1 DIF: Difficult TOP: PARASITES AND PARASITOIDS 13. ANS: A PTS: 1 DIF: Easy TOP: 5-1 How Do Species Interact? NOT: New 14. ANS: D PTS: 1 DIF: Moderate TOP: 5-1 How Do Species Interact? 15. ANS: B PTS: 1 DIF: Easy TOP: 5-1 How Do Species Interact? 16. ANS: A PTS: 1 DIF: Moderate 17. ANS: D PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS 18. ANS: C PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS 19. ANS: B PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS 20. ANS: B PTS: 1 DIF: Moderate TOP: COMPETITIVE INTERACTIONS 21. ANS: D PTS: 1 DIF: Difficult 22. ANS: C PTS: 1 DIF: Easy TOP: 5-1 How Do Species Interact? NOT: New 23. ANS: E PTS: 1 DIF: Easy TOP: 5-1 How Do Species Interact? 24. ANS: D PTS: 1 DIF: Easy TOP: 5-1 How Do Species Interact? NOT: Updated 25. ANS: D PTS: 1 DIF: Difficult

Interspecific Interactions: Symbiosys

Interspecific Interactions: Symbiosys Interspecific Interactions: Symbiosys Types of Interspecific Interactions Characteristics of symbiotic relationships Symbiosys is an intimate relationship between members of two or more species When species

More information

Community Structure. Community An assemblage of all the populations interacting in an area

Community Structure. Community An assemblage of all the populations interacting in an area Community Structure Community An assemblage of all the populations interacting in an area Community Ecology The ecological community is the set of plant and animal species that occupy an area Questions

More information

Outline. Ecology: Succession and Life Strategies. Interactions within communities of organisms. Key Concepts:

Outline. Ecology: Succession and Life Strategies. Interactions within communities of organisms. Key Concepts: Ecology: Succession and Life Strategies Interactions within communities of organisms u 1. Key concepts Outline u 2. Ecosystems and communities u 3. Competition, Predation, Commensalism, Mutualism, Parasitism

More information

Biodiversity, Species Interactions, and Population Control

Biodiversity, Species Interactions, and Population Control Biodiversity, Species Interactions, and Population Control Chapter 5 Section 5-1 HOW DO SPECIES INTERACT? Most species compete with one another for certain resources There are five basic types of interaction

More information

Chapter 4 Ecosystems and Living Organisms

Chapter 4 Ecosystems and Living Organisms Chapter 4 Ecosystems and Living Organisms I. Evolution A. The cumulative genetic changes that occur in a population of organisms over time 1. Current theories proposed by Charles Darwin, a 19 th century

More information

Overview of Chapter 5

Overview of Chapter 5 Chapter 5 Ecosystems and Living Organisms Overview of Chapter 5 Evolution Natural Selection Biological Communities Symbiosis Predation & Competition Community Development Succession Evolution The cumulative

More information

We share the earth with all of the other creatures; removing any organism from an environment can have many diverse consequences - not always

We share the earth with all of the other creatures; removing any organism from an environment can have many diverse consequences - not always Ecology We share the earth with all of the other creatures; removing any organism from an environment can have many diverse consequences - not always predictable ones. Ecology is the study of the interactions

More information

Section 2: How Species Interact with Each Other

Section 2: How Species Interact with Each Other Section 2: How Species Interact with Each Other Preview Bellringer Objectives An Organism s Niche Ways in Which Species Interact Competition Indirect Competition Adaptations to Competition Section 2: How

More information

Question #01. Feedback on Each Answer Choice. Solution. Ecology Problem Drill 20: Mutualism and Coevolution

Question #01. Feedback on Each Answer Choice. Solution. Ecology Problem Drill 20: Mutualism and Coevolution Ecology Problem Drill 20: Mutualism and Coevolution Question No. 1 of 10 Question 1. The concept of mutualism focuses on which of the following: Question #01 (A) Interaction between two competing species

More information

Community Interactions. Community An assemblage of all the populations interacting in an area

Community Interactions. Community An assemblage of all the populations interacting in an area Community Interactions Community An assemblage of all the populations interacting in an area Populations are affected by: Available living space habitat Resource Availability niche Species interactions

More information

CHAPTER. Evolution and Community Ecology

CHAPTER. Evolution and Community Ecology CHAPTER 5 Evolution and Community Ecology Lesson 5.2 Species Interactions The zebra mussel has completely displaced 20 native mussel species in Lake St. Clair. Lesson 5.2 Species Interactions The Niche

More information

Chapter 6 Population and Community Ecology. Thursday, October 19, 17

Chapter 6 Population and Community Ecology. Thursday, October 19, 17 Chapter 6 Population and Community Ecology Module 18 The Abundance and Distribution of After reading this module you should be able to explain how nature exists at several levels of complexity. discuss

More information

Essential Questions. What factors are most significant in structuring a community?

Essential Questions. What factors are most significant in structuring a community? Community Ecology Essential Questions What factors are most significant in structuring a community? What determines a communities species composition and the relative amount of species present? What is

More information

Ch.5 Evolution and Community Ecology How do organisms become so well suited to their environment? Evolution and Natural Selection

Ch.5 Evolution and Community Ecology How do organisms become so well suited to their environment? Evolution and Natural Selection Ch.5 Evolution and Community Ecology How do organisms become so well suited to their environment? Evolution and Natural Selection Gene: A sequence of DNA that codes for a particular trait Gene pool: All

More information

WORKSHEET F.I.B.S: Complete the chart: ( + ) organism is beneficial. ( - ) Organism is harmed. ( 0 ) organism is neither harmed or beneficial.

WORKSHEET F.I.B.S: Complete the chart: ( + ) organism is beneficial. ( - ) Organism is harmed. ( 0 ) organism is neither harmed or beneficial. Name: F.I.B.S: WORKSHEET 1. The effects that the organism in a community have on one another is called. 2. Inflicting harm to other organism without any costs or benefits is knows as. 3. Interaction between

More information

ENVE203 Environmental Engineering Ecology (Nov 19, 2012)

ENVE203 Environmental Engineering Ecology (Nov 19, 2012) ENVE203 Environmental Engineering Ecology (Nov 19, 2012) Elif Soyer Biological Communities COMPETITION Occurs when 2 or more individuals attempt to use an essential common resource such as food, water,

More information

Chapter 6 Reading Questions

Chapter 6 Reading Questions Chapter 6 Reading Questions 1. Fill in 5 key events in the re-establishment of the New England forest in the Opening Story: 1. Farmers begin leaving 2. 3. 4. 5. 6. 7. Broadleaf forest reestablished 2.

More information

Ecology Notes Part 1. Abiotic NONliving components in an ecosystem. Ecosystem

Ecology Notes Part 1. Abiotic NONliving components in an ecosystem. Ecosystem Ecology Notes Part 1 Ecology the study of the relationship between organisms and their environment Ecosystem an organism s surroundings consisting of both living and nonliving things and how that organism

More information

Ecology - Defined. Introduction. scientific study. interaction of plants and animals and their interrelationships with the physical environment

Ecology - Defined. Introduction. scientific study. interaction of plants and animals and their interrelationships with the physical environment Ecology - Defined Introduction scientific study interaction of plants and animals and their interrelationships with the physical environment Ecology - Levels of Organization Abiotic factors (non-living

More information

7. E C. 5 B. 1 D E V E L O P A N D U S E M O D E L S T O E X P L A I N H O W O R G A N I S M S I N T E R A C T I N A C O M P E T I T I V E O R M U T

7. E C. 5 B. 1 D E V E L O P A N D U S E M O D E L S T O E X P L A I N H O W O R G A N I S M S I N T E R A C T I N A C O M P E T I T I V E O R M U T 7. E C. 5 B. 1 D E V E L O P A N D U S E M O D E L S T O E X P L A I N H O W O R G A N I S M S I N T E R A C T I N A C O M P E T I T I V E O R M U T U A L L Y B E N E F I C I A L R E L A T I O N S H I

More information

6 TH. Most Species Compete with One Another for Certain Resources. Species Interact in Five Major Ways. Some Species Evolve Ways to Share Resources

6 TH. Most Species Compete with One Another for Certain Resources. Species Interact in Five Major Ways. Some Species Evolve Ways to Share Resources Endangered species: Southern Sea Otter MILLER/SPOOLMAN ESSENTIALS OF ECOLOGY 6 TH Chapter 5 Biodiversity, Species Interactions, and Population Control Fig. 5-1a, p. 104 Species Interact in Five Major Ways

More information

Chapter 6 Population and Community Ecology

Chapter 6 Population and Community Ecology Chapter 6 Population and Community Ecology Friedland and Relyea Environmental Science for AP, second edition 2015 W.H. Freeman and Company/BFW AP is a trademark registered and/or owned by the College Board,

More information

4-2 What Shapes an Ecosystem?

4-2 What Shapes an Ecosystem? 4-2 What Shapes an Ecosystem? Biotic and Abiotic Factors Ecosystems are influenced by a combination of biological and physical factors. Biotic biological factors predation competition resources Biotic

More information

organism Community Ecology population community ecosystem biosphere

organism Community Ecology population community ecosystem biosphere organism Community Ecology population community ecosystem biosphere Community Ecology Community all the organisms that live together in a place interactions Community Ecology study of interactions among

More information

-The study of the interactions between the different species in an area

-The study of the interactions between the different species in an area Community Ecology -The study of the interactions between the different species in an area Interspecific Interactions -Interaction between different species -May be positive, negative, or neutral and include

More information

Half Hollow Hills High School AP Biology

Half Hollow Hills High School AP Biology Chapter 53 Community Ecology Essential questions What factors structure a community? What species & how many are present in a community? In what way do the populations interact? What roles do species play

More information

Understanding Populations Section 1. Chapter 8 Understanding Populations Section1, How Populations Change in Size DAY ONE

Understanding Populations Section 1. Chapter 8 Understanding Populations Section1, How Populations Change in Size DAY ONE Chapter 8 Understanding Populations Section1, How Populations Change in Size DAY ONE What Is a Population? A population is a group of organisms of the same species that live in a specific geographical

More information

Unit 6 Populations Dynamics

Unit 6 Populations Dynamics Unit 6 Populations Dynamics Define these 26 terms: Commensalism Habitat Herbivory Mutualism Niche Parasitism Predator Prey Resource Partitioning Symbiosis Age structure Population density Population distribution

More information

Five Kingdoms of Life (Earth s Biodiversity)

Five Kingdoms of Life (Earth s Biodiversity) Five Kingdoms of Life (Earth s Biodiversity) Bacteria Protists Fungus Plants Animals prokaryotic eukaryotic eukaryotic eukaryotic eukaryotic single cell consumer (decomposer) or autotroph producer most

More information

9 Interactions symbioses. Classical Population Biology

9 Interactions symbioses. Classical Population Biology 1 Ecology Classical Population Biology Mark Mayo Cypress College 2 Terms of Ecological Endearment *habitat place where you live; the physical location has distinguishing physical and chemical features

More information

organism population community ecosystem biosphere Community Ecology AP Biology

organism population community ecosystem biosphere Community Ecology AP Biology organism Community Ecology population community ecosystem biosphere Community Ecology Community all the organisms that live together in a place = interactions Community Ecology To answer: study of interactions

More information

Biology. Slide 1 of 39. End Show. Copyright Pearson Prentice Hall

Biology. Slide 1 of 39. End Show. Copyright Pearson Prentice Hall Biology 1 of 39 4-2 What Shapes an Ecosystem? 2 of 39 Biotic and Abiotic Factors Biotic and Abiotic Factors Ecosystems are influenced by a combination of biological and physical factors. Biotic biological

More information

Lesson Overview. Niches and Community Interactions. Lesson Overview. 4.2 Niches and Community Interactions

Lesson Overview. Niches and Community Interactions. Lesson Overview. 4.2 Niches and Community Interactions Lesson Overview 4.2 Niches and Community Interactions The Niche What is a niche? A niche is the range of physical and biological conditions in which a species lives and the way the species obtains what

More information

Community and Population Ecology Populations & Communities Species Diversity Sustainability and Environmental Change Richness and Sustainability

Community and Population Ecology Populations & Communities Species Diversity Sustainability and Environmental Change Richness and Sustainability 1 2 3 4 Community and Population Ecology Chapter 6 Populations & Communities Biosphere> ecosystems> communities> populations> individuals A population is all of the individuals of the same species in a

More information

Chapter 8 Understanding Populations

Chapter 8 Understanding Populations Chapter 8 Understanding Populations Section 2: How Species Interact with Each Other Key Terms: Niche Competition Predation Parasitism Mutualism Commensalism Symbiosis How Species Interact with Each Other

More information

D. Correct! Allelopathy is a form of interference competition in plants. Therefore this answer is correct.

D. Correct! Allelopathy is a form of interference competition in plants. Therefore this answer is correct. Ecology Problem Drill 18: Competition in Ecology Question No. 1 of 10 Question 1. The concept of allelopathy focuses on which of the following: (A) Carrying capacity (B) Limiting resource (C) Law of the

More information

What Shapes an Ecosystem Section 4-2

What Shapes an Ecosystem Section 4-2 What Shapes an Ecosystem Section 4-2 Biotic and Abiotic Factors Ecosystems are influenced by a combination of biological and physical factors. Biotic factors are the biological influences on an organism.

More information

The factors together:

The factors together: Biotic Interactions 8.11A DESCRIBE PRODUCER/CONSUMER, PREDATOR/PREY AND PARASITE/HOST RELATIONSHIPS AS THEY OCCUR IN FOOD WEBS WITHIN MARINE, FRESHWATER AND TERRESTRIAL ECOSYSTEMS Biotic These are the

More information

CHAPTER. Evolution and Community Ecology

CHAPTER. Evolution and Community Ecology CHAPTER 5 Evolution and Community Ecology Lesson 5.1 Evolution Scientists have identified and described over 1.5 million species. Millions more have yet to be discovered. Lesson 5.1 Evolution Evolution

More information

14.1. KEY CONCEPT Every organism has a habitat and a niche. 38 Reinforcement Unit 5 Resource Book

14.1. KEY CONCEPT Every organism has a habitat and a niche. 38 Reinforcement Unit 5 Resource Book 14.1 HABITAT AND NICHE KEY CONCEPT Every organism has a habitat and a niche. A habitat is all of the living and nonliving factors in the area where an organism lives. For example, the habitat of a frog

More information

organism population community ecosystem biosphere Community Ecology AP Biology

organism population community ecosystem biosphere Community Ecology AP Biology organism Community Ecology population community ecosystem biosphere Community Ecology Community all the organisms that live together in a place interactions Community Ecology study of interactions among

More information

Ch20_Ecology, community & ecosystems

Ch20_Ecology, community & ecosystems Community Ecology Populations of different species living in the same place NICHE The sum of all the different use of abiotic resources in the habitat by s given species what the organism does what is

More information

Chapter 10. Marine Ecology

Chapter 10. Marine Ecology Chapter 10 Marine Ecology Copyright 2016 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. Marine Ecology Ecology is

More information

Relationships Within Ecosystems

Relationships Within Ecosystems Content Vocabulary LESSON 2 Directions: Each of the sentences below is false. Make the sentence true by replacing the underlined word with a term from the list below. Write your changes on the lines provided.

More information

Ecology! the study of the relationship between organisms and their environment

Ecology! the study of the relationship between organisms and their environment Ecology Notes Ecology! the study of the relationship between organisms and their environment An ecosystem is an organism s surroundings consisting of both living and nonliving things. Abiotic NONliving

More information

ECOSYSTEMS AND THEIR LIVING COMMUNITIES

ECOSYSTEMS AND THEIR LIVING COMMUNITIES ECOSYSTEMS AND THEIR LIVING COMMUNITIES COMMUNITY Each community is made up of populations of various organisms living in the same location at the same time. community 1 = popln 1 + popln 2 + popln 3 Each

More information

4/17/17. Community Ecology populations interact? Community Ecology. Niche. Community all the organisms that live together in a place interactions

4/17/17. Community Ecology populations interact? Community Ecology. Niche. Community all the organisms that live together in a place interactions Community Ecology organism populatio n community ecosystem biosphere Community Ecology Community all the organisms that live together in a place interactions To answer: In what way do the Community Ecology

More information

Community Interactions

Community Interactions Name Class Date 4.2 Niches and Community Interactions Lesson Objectives Define niche. Describe the role competition plays in shaping communities. Describe the role predation and herbivory play in shaping

More information

3 Types of Interactions

3 Types of Interactions CHAPTER 18 3 Types of Interactions SECTION Interactions of Living Things BEFORE YOU READ After you read this section, you should be able to answer these questions: What determines an area s carrying capacity?

More information

REVIEW OF PHYLOGENY AND EUKARYOTIC ORIGINS (QUIZ MON)

REVIEW OF PHYLOGENY AND EUKARYOTIC ORIGINS (QUIZ MON) REVIEW OF PHYLOGENY AND EUKARYOTIC ORIGINS (QUIZ MON) Why is biodiversity important? What are phylogeny and systematics? What does it mean for a phylogenetic tree to be rooted? What is a dichotomous key?

More information

Chapter 53 Community Ecology

Chapter 53 Community Ecology Chapter 53 Community Ecology Key Vocabulary Terms: community, interspecific interaction vs. intraspecific interaction, coevolution, predation, parasitism, herbivore, carnivore, omnivore, camouflage, aposematic

More information

Chapter 6: Ecosystems & Living Organisms

Chapter 6: Ecosystems & Living Organisms Chapter 6: Ecosystems & Living Organisms Outline Evolution Produces Species Diversity Species Interactions Shape Biological Communities Community Properties Affect Species and Populations Communities are

More information

Community ecology. Abdulhafez A Selim, MD, PhD

Community ecology. Abdulhafez A Selim, MD, PhD Community ecology Abdulhafez A Selim, MD, PhD Community ecology is very complex Niches The term 'Niche' was coined by the naturalist Joseph Grinnell in 1917, in his paper "The niche relationships of the

More information

Introduction interspecific interactions

Introduction interspecific interactions Introduction There are different interspecific interactions, relationships between the species of a community (what s the definition of a community again?). While you re at it, what s the definition of

More information

Populations Study Guide (KEY) All the members of a species living in the same place at the same time.

Populations Study Guide (KEY) All the members of a species living in the same place at the same time. Populations Study Guide (KEY) 1. Define Population. All the members of a species living in the same place at the same time. 2. List and explain the three terms that describe population. a. Size. How large

More information

Biodiversity, Species Interactions, and Population Control. Chapter 5

Biodiversity, Species Interactions, and Population Control. Chapter 5 Biodiversity, Species Interactions, and Population Control Chapter 5 Core Case Study: Southern Sea Otters: Are They Back from the Brink of Extinction? Habitat Hunted: early 1900s Partial recovery Why care

More information

Ecology Notes CHANGING POPULATIONS

Ecology Notes CHANGING POPULATIONS Ecology Notes TEK 8.11 (B) Investigate how organisms and populations in an ecosystem depend on and may compete for biotic and abiotic factors such as quantity of light, water, range of temperatures, or

More information

Ecology. How the World Works

Ecology. How the World Works Ecology How the World Works Ecology is the study of interactions between living organisms and other living organisms and non living resources that they interact with. Levels of Organization Organism- a

More information

Chapter 04 Lecture Outline

Chapter 04 Lecture Outline Chapter 04 Lecture Outline William P. Cunningham University of Minnesota Mary Ann Cunningham Vassar College Copyright The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 1

More information

Ecology 2. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question.

Ecology 2. Name: Class: Date: Multiple Choice Identify the choice that best completes the statement or answers the question. Name: Class: Date: Ecology 2 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which of the following statements is consistent with the principle of competitive

More information

Ecology - the study of how living things interact with each other and their environment

Ecology - the study of how living things interact with each other and their environment Ecology Ecology - the study of how living things interact with each other and their environment Biotic Factors - the living parts of a habitat Abiotic Factors - the non-living parts of a habitat examples:

More information

Evolution and Community Ecology

Evolution and Community Ecology CHAPTER 5 Evolution and Community Ecology Black and White, and Spread All Over Zebra mussels and quagga mussels were accidentally introduced into Lake St. Clair in the late 1980s. They have since spread

More information

Types of Consumers. herbivores

Types of Consumers. herbivores no energy = no life Types of Consumers herbivores herbivore us vegetation to swallow or devour Types of Consumers herbivores the organisms that eat plants carnivores carnivore us flesh to swallow or devour

More information

Organisms fill various energy roles in an ecosystem. Organisms can be producers, consumers, or decomposers

Organisms fill various energy roles in an ecosystem. Organisms can be producers, consumers, or decomposers Organisms fill various energy roles in an ecosystem An organism s energy role is determined by how it obtains energy and how it interacts with the other living things in its ecosystem Organisms can be

More information

Populations L3.notebook. June 10, Today you will: Jun 8 8:59 AM

Populations L3.notebook. June 10, Today you will: Jun 8 8:59 AM Today you will: Jun 8 8:59 AM 1 Population all the members of a species in a locality at a particular time Community all the species in a given area Geographic range the region where an organism is sighted

More information

COMMUNITY INTERACTIONS

COMMUNITY INTERACTIONS COMMUNITY INTERACTIONS Competition Limited resources (food, space, mates, etc) If two organisms want to use the same resource at the same time they must compete between members of the same species between

More information

Grade

Grade www.abubakrshalaby.com 5 Grade Ecology is the scientific study of the relation of living organisms to each other and their surroundings. Ecology includes the study of plant and animal populations, plant

More information

Ch 4 Ecosystems and Communities. 4.2 Niches and Community Interactions

Ch 4 Ecosystems and Communities. 4.2 Niches and Community Interactions Ch 4 Ecosystems and Communities 4.2 Niches and Community Interactions The Niche The conditions in which an organisms lives, and how it interacts with its environment (in the trees, on the ground, inside

More information

Chapter 54: Community Ecology

Chapter 54: Community Ecology Name Period Concept 54.1 Community interactions are classified by whether they help, harm, or have no effect on the species involved. 1. What is a community? List six organisms that would be found in your

More information

Discuss the impact of biotic and abiotic factors on their environment and the significant ecological levels of organization.

Discuss the impact of biotic and abiotic factors on their environment and the significant ecological levels of organization. Learning Targets Discuss the impact of biotic and abiotic factors on their environment and the significant ecological levels of organization. Explain the difference between an organism s habitat and niche

More information

chatper 17 Multiple Choice Identify the choice that best completes the statement or answers the question.

chatper 17 Multiple Choice Identify the choice that best completes the statement or answers the question. chatper 17 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. If a mutation introduces a new skin color in a lizard population, which factor might determine

More information

POPULATIONS and COMMUNITIES

POPULATIONS and COMMUNITIES POPULATIONS and COMMUNITIES Ecology is the study of organisms and the nonliving world they inhabit. Central to ecology is the complex set of interactions between organisms, both intraspecific (between

More information

Chapter 22: Descent with Modification

Chapter 22: Descent with Modification NAME DATE Chapter 22: Descent with Modification 1. What was the significance of the publishing of Charles Darwin s book, On the Origin of Species by Means of Natural Selection? 2. Explain the two major

More information

Lesson Overview 4.2 Niches and Community Interactions

Lesson Overview 4.2 Niches and Community Interactions THINK ABOUT IT If you ask someone where an organism lives, that person might answer on a coral reef or in the desert. Lesson Overview 4.2 Niches and Community Interactions These answers give the environment

More information

8/18/ th Grade Ecology and the Environment. Lesson 1 (Living Things and the Environment) Chapter 1: Populations and Communities

8/18/ th Grade Ecology and the Environment. Lesson 1 (Living Things and the Environment) Chapter 1: Populations and Communities Lesson 1 (Living Things and the Environment) 7 th Grade Ecology and the Environment Chapter 1: Populations and Communities organism a living thing (plant, animal, bacteria, protist, fungi) Different types

More information

Chapter Community Ecology

Chapter Community Ecology Studying organisms in their environment organism population community ecosystem biosphere Chapter 56-57 Community Ecology organism population community ecosystem biosphere Community Ecology Community all

More information

EXIT: How would you explain what you learned today to someone who was absent?

EXIT: How would you explain what you learned today to someone who was absent? AGENDA ABSENT Friday 9/12 week-5 TOPIC: Ecology Organization OBJ : 4&5 DO NOW: Hand in Progress Report EXT: Relationship WKSHT DUE DATE: Monday DW: Foldable QUIZ-MONDAY 9/15 -------------------------------------------------------------------------------

More information

Levels of Organization in Ecosystems. Ecologists organize ecosystems into three major levels. These levels are: population, community, and ecosystem.

Levels of Organization in Ecosystems. Ecologists organize ecosystems into three major levels. These levels are: population, community, and ecosystem. Levels of Organization in Ecosystems Ecologists organize ecosystems into three major levels. These levels are: population, community, and ecosystem. Population A population is a group of individuals of

More information

The reproductive success of an organism depends in part on the ability of the organism to survive.

The reproductive success of an organism depends in part on the ability of the organism to survive. The reproductive success of an organism depends in part on the ability of the organism to survive. How does the physical appearance of these organisms help them survive? A. Their physical appearance helps

More information

E cology: Interaction Unit Notes N ame: ( DO NOT LOSE) 1

E cology: Interaction Unit Notes N ame: ( DO NOT LOSE) 1 E cology: Interaction Unit Notes N ame: ( DO NOT LOSE) 1 2 1 I ndividual 2 P opulation 3 C ommunity 4 B iome 5 B iosphere I ndividual: Organism with unique DNA and cells Population: Groups similar individuals

More information

Adaptive Traits. Natural selection results in evolution of adaptations. Adaptation: trait that enhances an organism's survival and reproduction

Adaptive Traits. Natural selection results in evolution of adaptations. Adaptation: trait that enhances an organism's survival and reproduction Adaptive Traits Adaptive Traits Natural selection results in evolution of adaptations Adaptation: trait that enhances an organism's survival and reproduction Nothing in biology makes sense except in the

More information

Chapter Niches and Community Interactions

Chapter Niches and Community Interactions Chapter 4 4.2 Niches and Community Interactions Key Questions: 1) What is a niche? 2) How does competition shape communities? 3) How do predation and herbivory shape communites? 4) What are three primary

More information

Weather is the day-to-day condition of Earth s atmosphere.

Weather is the day-to-day condition of Earth s atmosphere. 4.1 Climate Weather and Climate Weather is the day-to-day condition of Earth s atmosphere. Climate refers to average conditions over long periods and is defined by year-after-year patterns of temperature

More information

Tolerance. Tolerance. Tolerance 10/22/2010

Tolerance. Tolerance. Tolerance 10/22/2010 Section 4.2 Mrs. Michaelsen Tolerance Every species has its own range of tolerance: The ability to survive and reproduce under a range of environmental circumstances. Tolerance Stress can result when an

More information

Review Quizzes Chapters 45-50

Review Quizzes Chapters 45-50 Review Quizzes Chapters 45-50 1) Which of the following is a non-density-dependent factor that affects a population? a. spread of disease b. space c. earthquake d. food e. mating and reproduction 1) Which

More information

Human Carrying Capacity. Dangers of overshooting

Human Carrying Capacity. Dangers of overshooting How to calculate carrying capacity 1. Sum estimates of regional K. 2. Curve Fitting 3. Assume Single Resource Constraint 4. Reduce Multiple Requirements to one factor 5. Assume Multiple Independent Constraints

More information

REVISION: POPULATION ECOLOGY 18 SEPTEMBER 2013

REVISION: POPULATION ECOLOGY 18 SEPTEMBER 2013 REVISION: POPULATION ECOLOGY 18 SEPTEMBER 2013 Lesson Description In this lesson we: Revise population ecology by working through some exam questions. Key Concepts Definition of Population A population

More information

Population and Community Dynamics

Population and Community Dynamics Population and Community Dynamics Part 1. Genetic Diversity in Populations Pages 676 to 701 Part 2. Population Growth and Interactions Pages 702 to 745 I) Introduction I) Introduction to understand how

More information

Slide 1. Earth Science. Chapter 10 Ecosystems

Slide 1. Earth Science. Chapter 10 Ecosystems Slide 1 Earth Science Chapter 10 Ecosystems 1 Slide 2 Section 1 Living Things & the Environment Habitats Organism a living thing: Plants, animals, fungi, etc. Habitat an area that provides the things an

More information

4-2 What Shapes an Ecosystem? Slide 1 of 39

4-2 What Shapes an Ecosystem? Slide 1 of 39 4-2 What Shapes an Ecosystem? 1 of 39 Biotic and Abiotic Factors Biotic and Abiotic Factors Ecosystems are influenced by a combination of biological and physical factors. The biological influences on organisms

More information

Lecture 6. Communities and Ecosystems. Lecture Biological Communities

Lecture 6. Communities and Ecosystems. Lecture Biological Communities Lecture 6 Communities and Ecosystems Lecture 6 1. Biological Communities Ecological Niche Species Interactions Keystone Species Community Development 2. Ecosystems Terrestrial Aquatic 1 Biological Communities

More information

4-2 What Shapes an Ecosystem?

4-2 What Shapes an Ecosystem? Biology 1 of 39 4-2 What Shapes an Ecosystem? 2 of 39 Biotic and Abiotic Factors Biotic and Abiotic Factors Ecosystems are influenced by a combination of biological and physical factors. 3 of 39 1 Biotic

More information

Chapter 3. Table of Contents. Section 1 Community Ecology. Section 2 Terrestrial Biomes & Aquatic Ecosystems

Chapter 3. Table of Contents. Section 1 Community Ecology. Section 2 Terrestrial Biomes & Aquatic Ecosystems Communities, Biomes, and Ecosystems Table of Contents Section 1 Community Ecology Section 2 Terrestrial Biomes & Section 1 Community Ecology Evolution in Communities Interactions Among Species Some interactions

More information

BIO 2 GO! Abiotic / Biotic Factors and Relationships in an Ecosystem

BIO 2 GO! Abiotic / Biotic Factors and Relationships in an Ecosystem BIO 2 GO! Abiotic / Biotic Factors and Relationships in an Ecosystem 3511 3512 All things are either abiotic or biotic. Ecosystems are determined by which of these factors are found in them. Interactions

More information

4. Ecology and Population Biology

4. Ecology and Population Biology 4. Ecology and Population Biology 4.1 Ecology and The Energy Cycle 4.2 Ecological Cycles 4.3 Population Growth and Models 4.4 Population Growth and Limiting Factors 4.5 Community Structure and Biogeography

More information

Ecological Population Dynamics

Ecological Population Dynamics Ecological Population Dynamics Biotic potential The maximum number of offspring an organism can produce is its biotic potential. What keeps organisms from reaching their full biotic potential? Environmental

More information

What Shapes an Ecosystem? Section 4-2 pgs 90-97

What Shapes an Ecosystem? Section 4-2 pgs 90-97 What Shapes an Ecosystem? Section 4-2 pgs 90-97 What Shapes an Ecosystem? If you ask an ecologist where a particular organism lives, that person might say the organism lives on a Caribbean coral reef,

More information

BIOLOGY WORKSHEET GRADE: Two robins eating worms on the same lawn is an example of

BIOLOGY WORKSHEET GRADE: Two robins eating worms on the same lawn is an example of BIOLOGY WORKSHEET GRADE: 11 Q.1: Choose the letter of the best answer. 1. Two robins eating worms on the same lawn is an example of a. mutualism. b. commensalism. c. competition. d. parasitism. 2. Predation

More information

Principles of Ecology

Principles of Ecology Principles of Ecology Ecology is the scientific study of interactions between 1. organisms and other organisms 2. organisms and their environment. Biotic vs. Abiotic Factors Biotic Factors: All of the

More information

CHAPTER 14. Interactions in Ecosystems: Day One

CHAPTER 14. Interactions in Ecosystems: Day One CHAPTER 14 Interactions in Ecosystems: Day One Habitat versus Niche Review! What is a habitat? All of the biotic and abiotic factors in the area where an organism lives. Examples: grass, trees, and watering

More information