7) NATURAL SELECTION: the process by which forms of life having traits that better fit a specific environmental pressure, such as predators, changes
|
|
- Wesley Robertson
- 5 years ago
- Views:
Transcription
1 7) NATURAL SELECTION: the process by which forms of life having traits that better fit a specific environmental pressure, such as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the continuance of those favorable traits in succeeding generations.
2 8) NICHE: The role of an organism in the ecosystem. What it eats, how it gets food, and how it interacts with other organisms.
3 9) CHROMOSOME: Threadlike strands of DNA and protein located in the cell s nucleus; they carry the genes
4 10) GENE: The basic unit of heredity carried by the chromosomes; code for features or traits of organism.
5 Write two to three questions here that are answered by the notes! E.Q. What is Darwin s theory on evolution? Evolution refers to changes in inherited characteristics of a species over time. B) Darwin s model of evolution 1) Darwin hypothesized that plants and animals he saw in the Galapagos Islands originally came from Central and South America. 2) Darwin reasoned that members of a population best able to survive and reproduce will pass their traits to the next generation; over time, separate species can evolve. C) Darwin hypothesis became known as the theory of evolution by natural selection organisms with traits best suited to their environment will more likely survive and reproduce. D) Variation of inherited traits within a population makes an individual different from other members of its species; (an adaptation is a variation that makes an organism better suited to its environment.) 1) When environmental changes occur (biotic and/or abiotic), organisms best suited to the change will be more likely to reach the age of reproduction. This is why variation of traits is important in a population (for example, Darwin s Finches).
6 The breeding of animals or plants by humans to enhance one or more traits = Selective Breeding
7 A change in the environment could apply new pressure on a population if the pressure continues, in time, the population will have different traits than it did before the pressure. Deforestation occurs for many reasons: trees or derived charcoal are used as, or sold, for fuel or as timber, while cleared land is used as pasture for livestock, plantations of commodities, and settlements. The removal of trees without sufficient reforestation has resulted in damage to habitat, biodiversity loss and aridity. It has adverse impacts on biosequestration of atmospheric carbon dioxide. Deforested regions typically incur significant adverse soil erosion and frequently degrade into wasteland.
8 Beak size and shape impacted the type of food a finch could obtain.
9 Small beaks good for gathering grass seeds Large beaks to crack large seeds.
10 1 2 3
11 1) According to substantial scientific evidence what animal did domestic dogs evolve from? 2) Today there are about distinct breeds of dog, most of which came into existence in the last. 3) What is the selective breeding of organisms to produce offspring with desirable traits known as? 1) Substantial scientific evidence suggests that the domestic dog evolved from the wolf. 2) 400, 200 years. 3) The breeding of organisms to produce offspring with desirable traits is known as selective breeding.
12 EQ: What is Darwin s theory on evolution? Summary Step1: answer the essential question: Step 2: answer each question you created for each chunk of information Step 3: End with any past knowledge that you can combine with these notes AND/OR any question that you have that the notes did not answer
13 The origin of species how d new species come into this world? Selective pressure = drought. In wet years, grass thrives (small seeds) which favors finches with small beaks. Dry years favors large beaked finches eating larger seeds.
14 The original species of finches settled on all islands. Each island had different selective pressures that favored different traits to develop. On an island with sparse algal growth, small size has an advantage because less food is needed to reach the reproduction age.
15
16
17 Table of Contents (the TOC) Unit 2, Population Diversity Date Description Pg # 10/ Adaptations help populations 1 10/29 Genetics 2
18
19
20 We will now list some features and traits that vary in humans. COPY THIS LIST INTO YOUR NOTEBOOK. 2 NB 3) Class Features/Traits FEATURES TRAITS
21
22
23 P7 xx xx xx xx xx xx xx xx Is there variation in our population with regards to these four features? Which trait occurred most often for each feature? Are any traits linked?
24 Typical Larkeys What are some of the ways that the larkeys differ form one another? Legs-short and long Eyes- red and grey Fur-solid, stripped, and spotted Tail-bushy and bare
25
26
27
28 The walkingsticks had only one feature we investigated color. We started with a population of 48 walkingsticks. The population was composed of equal numbers of thee different traits brown, green-brown, and geen. In addition to the walkingsticks there were birds that preyed on the insects for food. In what way did the population change? What factors in the environment affected the change in the walkingstick population? How did variation help the walkingstick population survive? Was there more or less variation in the walkingstick population after 5 generations?
29 Is there variation in the yammer of larkeys? How might a predator have an impact on the population of larkeys? What trait might disappear from the population after five generations?
30 Inside the nucleus is the inheritance messenger, DNA. (Deoxyribonucleic acid). DNA molecules are huge containing millions of atoms. In order to fit inside the nucleus, they are coiled and coiled again into structures called CHROMOSOMES - the structures that carry the message of inheritance.
31 This drawing shows the nucleus of a cell from our animal, the larkey. Notice that there are eight chromosomes, looking a little bit like bent hot dogs of different lengths. If you look closely, you will see that these two chromosomes are the same, these two are the same, and so on.
32 Chromosomes always come in pairs. So our larkey actually has four pairs of chromosomes rather than eight different ones. Now look at the dark areas. Both chromosomes in a pair have dark areas exactly the same location. The dark areas are called alleles. Note: Alleles are not really dark. The dark color is used to represent the location of the alleles on the chromosomes
33 The two alleles on the paired chromosomes work together. Together they constitute a gene. Summary Nuclei contain chromosomes. Chromosomes come in almost identical pairs. Chromosomes have specific active locations called alleles. The two alleles in identical locations on paired chromosomes constitute a gene
34 A gene (two alleles working together) controls a trait. This gene could be the one that determines the larkey s eye color, or perhaps the pattern of its fur. Let s say it determines eye color. The larkey has four features of interest to us. Each feature is controlled by one gene. Each of the four genes is on a different chromosome (although they could have all been on the same chromosome).
35 The gene location for appendages (legs) is these two alleles on this pair of chromosomes. The alleles are labeled with the letter A for appendages.
36 Find the gene locations for eye color (letter E), fur pattern (letter F), and tail shape (T). Notice that some of the alleles are labeled with uppercase letter and some are lowercase letters. Both upper and lowercase letter Es are alleles for eye color.
37 Alleles don t all have equal influence in determining traits. Moreinfluential alleles are dominant alleles, and they are represented by an uppercase letter. Less-influential alleles are called recessive alleles, and they are represented by a lowercase letter.
38 The alleles are the code that determines the traits of the larkeys. The chart at the bottom is the genetic code for one of the 32 larkeys we viewed previously. The alleles for legs is aa, eye color = Ee, fur pattern = FF, and tail shape = tt;
39 The alleles for legs is aa, eye color = Ee, fur pattern = FF, and tail shape = tt; The combination of alleles in an organism's chromosomes is the organism s genotype. The genotype lists the paired alleles that are particular to that organism.
40 Let s look at the genotype of our larkey to see what is dominant and what is recessive. Two recessive alleles for leg length (aa) One dominant and one recessive allele for eye color (Ee) Two dominant alleles for fur pattern (FF) Two recessive alleles for tail shape (tt).
41 The parents of a Larkey both have red eyes. Is it possible for them to produce an offspring with grey eyes? In your notebook use a Punnet Square to prove or disprove this grey eye question. (The alleles for eyes are E or e.)
42 The parents of a Larkey both have red eyes. Is it possible for them to produce an offspring with grey eyes? In your notebook (under NB3) use a Punnet Square to prove or disprove this grey eye question. (The alleles for eyes are E or e.) Female Ee Male Ee E E E E E e e e E e e e
43
Which concept would be correctly placed in box X? A) use and disuse B) variation C) changes in nucleic acids D) transmission of acquired traits
1. Base your answer to the following question on Some of the concepts included in Darwin's theory of natural selection are represented in the diagram below. Which concept would be correctly placed in box
More information4. Identify one bird that would most likely compete for food with the large tree finch. Support your answer. [1]
Name: Topic 5B 1. A hawk has a genetic trait that gives it much better eyesight than other hawks of the same species in the same area. Explain how this could lead to evolutionary change within this species
More informationLife Science Chapter 7- Changes Over Time. Section 1- Darwin s Theory
Life Science Chapter 7- Changes Over Time Section 1- Darwin s Theory Pg 29 Topic: Darwin s Theory EQ: How did what Darwin observed on his voyage lead to his proposal of natural selection being the mechanism
More informationChange Over Time Concept Map
Change Over Time Concept Map Darwin reasoned that plants or animals that arrived on the Galapagos Islands faced conditions that were different from those on the mainland. Perhaps, Darwin hypothesized,
More informationChapter 2 Section 1 discussed the effect of the environment on the phenotype of individuals light, population ratio, type of soil, temperature )
Chapter 2 Section 1 discussed the effect of the environment on the phenotype of individuals light, population ratio, type of soil, temperature ) Chapter 2 Section 2: how traits are passed from the parents
More informationBiology 1 Spring 2010 Summative Exam
Biology 1 Spring 2010 Summative Exam Short Answer USING SCIENCE SKILLS The pedigree shows the inheritance of free earlobes and attached earlobes in five generations of a family. Attached earlobes are caused
More informationPSSA Science Review. Organisms and the Environment. Organisms and the Environment
PSSA Science Review Organisms and the Environment Organisms and the Environment 1. Natural Selection 2. Heredity 3. Ecological Relationships and Systems 4. Change and the Environment 5. Humans and the
More informationEvolution of Populations. Populations evolve. Changes in populations. Natural selection acts on individuals differential survival. Populations evolve
Evolution of Populations Doonesbury - Sunday February 8, 2004 Populations evolve Natural selection acts on individuals differential survival differential reproductive success survival of the fittest who
More informationDarwin s Theory & Natural Selection Guided Notes, Causes of Natural Selection Foldable, Lotus Vocab/Main Idea Chart, & Circle Map.
Darwin s Theory & Natural Selection Guided Notes, Causes of Natural Selection Foldable, Lotus Vocab/Main Idea Chart, & Circle Map By: Jessica Smith Darwin s Theory Guided Notes Glue into notebook here!
More informationMicroevolution (Ch 16) Test Bank
Microevolution (Ch 16) Test Bank Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following statements describes what all members
More informationEvolution of Populations
Evolution of Populations Gene Pools 1. All of the genes in a population - Contains 2 or more alleles (forms of a gene) for each trait 2. Relative frequencies - # of times an allele occurs in a gene pool
More informationIn 1831 people thought:
In 1831 people thought: A) Earth and life were a few thousand years old B) The planet and species on it had not changed since the beginning of time C) Geologic features showed up due to catastrophic changes
More informationModes of Natural Selection Guided Notes What is Natural Selection?
What is Natural Selection? Natural selection is a random process in which an organism containing some desirable traits are most likely to survive and can reproduce in the environment in which it is living.
More informationFind your notes, old notebook, and a pencil * On Thursday please bring a calculator!
Find your notes, old notebook, and a pencil * On Thursday please bring a calculator! Describe Photosynthesis: Inputs & outputs? Equation? Factors that impact it What types of organisms do Plants do it
More informationmrna Codon Table Mutant Dinosaur Name: Period:
Mutant Dinosaur Name: Period: Intro Your dinosaur is born with a new genetic mutation. Your job is to map out the genes that are influenced by the mutation and to discover how the new dinosaurs interact
More informationEssential Questions. What evidence is there for the theory of micro and macro evolution?
Essential Questions What evidence is there for the theory of micro and macro evolution? What will the Earth look like 1,000-10,000 year from now given evolutionary processes? How old is the Earth? Materials
More informationSelection 10: Theory of Natural Selection
Selection 10: Theory of Natural Selection Darwin began his voyage thinking that species could not change His experience during the five-year journey altered his thinking Variation of similar species among
More informationUnit A: Biodiversity Science 9 Study Guide
Unit A: Biodiversity Science 9 Study Guide 1. Describe the variety of biological species on the earth Life exists on our planet in many forms. Biologists have identified over 1.5 million species of animals,
More informationUntitled Document. A. antibiotics B. cell structure C. DNA structure D. sterile procedures
Name: Date: 1. The discovery of which of the following has most directly led to advances in the identification of suspects in criminal investigations and in the identification of genetic diseases? A. antibiotics
More informationVoyage of the Beagle
Diversity 0The variety of living things that inhabit the Earth is called biological diversity. 0Evolutionary theory is a collection of scientific facts, observations, and hypotheses. 0This theory is a
More informationDarwin s Theory of Natural Selection
Darwin s Theory of Natural Selection Question: Has Life Ever Changed? In 1700 s, scientists examined fossils that showed how extinct species look very different than they do today. Scientists began to
More informationVocab Darwin & Evolution (Chap 15)
Vocab Darwin & Evolution (Chap 15) 1. Evolution 2. Theory 3. Charles Darwin 4. Fossil 5. Species 6. Natural variation 7. Artificial selection 8. Struggle for existence 9. Fitness 10.Adaptation 11.Survival
More informationEvidence of Species Change
Evidence of Species Change Evidence of Evolution What is evolution? Evolution is change over time Scientific theory of evolution explains how living things descended from earlier organisms Evidence of
More informationEvolution. Part 1: Historical Perspective on the Theory of Natural Selection
Evolution Part 1: Historical Perspective on the Theory of Natural Selection 1. In the 1860 s, what types of evidence were available to indicate that evolution had occurred on Earth? 2. How did knowledge
More informationFinal Revision G8 Biology ( ) Multiple Choice Identify the choice that best completes the statement or answers the question.
Final Revision G8 Biology ( 2017-2018 ) Multiple Choice Identify the choice that best completes the statement or answers the question. 1 A species is a group of similar organisms that A can mate with each
More informationCampbell Essential Biology, 5e (Simon/Yeh) Chapter 1 Introduction: Biology Today. Multiple-Choice Questions
Campbell Essential Biology, 5e (Simon/Yeh) Chapter 1 Introduction: Biology Today Multiple-Choice Questions 1) In what way(s) is the science of biology influencing and changing our culture? A) by helping
More informationSpeciation factsheet. What is a species?
What is a species? A species is a group of interbreeding individuals that share a gene pool and are reproductively isolated from other species. It is impossible to determine whether two organisms are from
More informationC Simpson [ASC 2011] FOSSWEB Independent Learning Activity Booklet
FOSSWEB Independent Learning Activity Booklet FOSSWEB Independent Learning Activity Booklet Topic: Populations and Ecosystems The course explores ecosystems as the largest organizational unit of life on
More informationEnvironmental Influences on Adaptation
Have you ever noticed how the way you feel sometimes mirrors the emotions of the people with whom you spend a lot of time? For example, when you re around happy people, do you tend to become happy? Since
More informationEcology 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 informationCharles Darwin became a naturalist, a scientist who studies nature, during a voyage on the British ship HMS Beagle.
Theory of Evolution Darwin s Voyage What did Darwin observe? Charles Darwin became a naturalist, a scientist who studies nature, during a voyage on the British ship HMS Beagle. On his journey, Darwin observed
More informationwww.lessonplansinc.com Topic: Dinosaur Evolution Project Summary: Students pretend to evolve two dinosaurs using genetics and watch how the dinosaurs adapt to an environmental change. This is a very comprehensive
More informationPopulation Genetics & Evolution
The Theory of Evolution Mechanisms of Evolution Notes Pt. 4 Population Genetics & Evolution IMPORTANT TO REMEMBER: Populations, not individuals, evolve. Population = a group of individuals of the same
More informationREVIEW 6: EVOLUTION. 1. Define evolution: Was not the first to think of evolution, but he did figure out how it works (mostly).
Name: REVIEW 6: EVOLUTION 1. Define evolution: 2. Modern Theory of Evolution: a. Charles Darwin: Was not the first to think of evolution, but he did figure out how it works (mostly). However, Darwin didn
More informationList the five conditions that can disturb genetic equilibrium in a population.(10)
List the five conditions that can disturb genetic equilibrium in a population.(10) The five conditions are non-random mating, small population size, immigration or emigration, mutations, and natural selection.
More informationCH 16: Evolution of Population
CH 16: Evolution of Population 16.1 Genes and Variation A. Introduction 1. Darwin s theory of evolution by natural selection explained how 2. What Darwin did not know was how were passed down through each
More informationScience 9 Unit 1 Practice Test - KEY
Science 9 Unit 1 Practice est - KEY I. Multiple Choice Choose the best answer. Julie is interested in becoming an evolutionary biologist. he following questions relate to some of the issues she will face
More informationchatper 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 informationCharles Darwin and Natural Selection Notes. Biology - Ms. Spinale/Mrs. Kaye
Charles Darwin and Natural Selection Notes Biology - Ms. Spinale/Mrs. Kaye Charles Darwin In 1831, Charles Darwin set sail on the HMS Beagle. He was 22 years old. His journey lasted for 5 years. He collected
More informationJust to review Genetics and Cells? How do Genetics and Cells Relate? The cell s NUCLEUS contains all the genetic information.
Just to review Genetics and Cells? How do Genetics and Cells Relate? The cell s NUCLEUS contains all the genetic information. It s called: DNA A. Describe what Gregor Mendel discovered in his experiments
More informationNOTES Ch 17: Genes and. Variation
NOTES Ch 17: Genes and Vocabulary Fitness Genetic Drift Punctuated Equilibrium Gene flow Adaptive radiation Divergent evolution Convergent evolution Gradualism Variation 17.1 Genes & Variation Darwin developed
More informationUnit 8: EVOLUTION NOTES
Unit 8: EVOLUTION NOTES Canale LE EVOLUTION is the change in gene frequency in a population over time. Generally, organisms change from simple to more complex, and happens over many generations. **Evolution
More informationThe Theory of Evolution
Name Date Class CHAPTER 13 DIRECTED READING The Theory of Evolution Section 13-1: The Theory of Evolution by Natural Selection Darwin Proposed a Mechanism for Evolution Mark each statement below T if it
More informationBiology Semester 2 Final Review
Name Period Due Date: 50 HW Points Biology Semester 2 Final Review LT 15 (Proteins and Traits) Proteins express inherited traits and carry out most cell functions. 1. Give examples of structural and functional
More informationBiology 211 (1) Exam 4! Chapter 12!
Biology 211 (1) Exam 4 Chapter 12 1. Why does replication occurs in an uncondensed state? 1. 2. A is a single strand of DNA. When DNA is added to associated protein molecules, it is referred to as. 3.
More informationEvolution. 1. The figure below shows the classification of several types of prairie dogs.
Name: Date: 1. The figure below shows the classification of several types of prairie dogs. 3. Which statement describes the best evidence that two species share a recent common ancestor? A. The species
More informationCampbell Essential Biology, 4/e (Simon/Reece/Dickey)
Campbell Essential Biology, 4/e (Simon/Reece/Dickey) Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Using the branching tree of life for
More informationLIFE SCIENCE CHAPTER 7 FLASHCARDS
LIFE SCIENCE CHAPTER 7 FLASHCARDS What did Darwin NOT understand about the process of evolution? A. the slowness of the process B. the role of genetics C. the importance of separation D. the importance
More informationNatural Selection in Action
3 What You Will Learn Genetic variation and environmental factors affect evolution by natural selection. Separation, adaptation, and reproductive isolation can produce new species. Extinction occurs when
More informationCharles Darwin. 0 Lived in England : Beagle s five-year voyage mapping the coastline of South America
Charles Darwin 0 Lived in England 0 1809-1882 0 1831-1836: Beagle s five-year voyage mapping the coastline of South America 0 1859: On the Origin of Species by Means of Natural Selection 0 EVOLUTION à
More informationChapter 10 Study Guide SECTION 1: Early Ideas about Evolution
NAME Chapter 10 Study Guide SECTION 1: Early Ideas about Evolution BIOLOGY PREAP/GT Match each scientist with the statement that best reflects his ideas about evolutionary theory. 1. Linnaeus a. Species
More informationDarwin's Theory. Use Target Reading Skills. Darwin's Observations. Changes Over Time Guided Reading and Study
Darwin's Theory This section discusses Charles Darwin and his theories ofevolution, which are based on what he saw during his trip around the world. Use Target Reading Skills In the graphic organizer,
More informationPlease Do Not Write On The Charles Darwin and Evolution Study Guide Practice test Practice Test Multiple Choice
Please Do Not Write On The Charles Darwin and Evolution Study Guide Practice test Practice Test Multiple Choice Identify the letter of the choice that best completes the statement or answers the question.
More informationLesson 4: Understanding Genetics
Lesson 4: Understanding Genetics 1 Terms Alleles Chromosome Co dominance Crossover Deoxyribonucleic acid DNA Dominant Genetic code Genome Genotype Heredity Heritability Heritability estimate Heterozygous
More informationEvolution, Natural Selection. Pressures
Evolution, Natural Selection & Selective Pressures Page 1: Concept Map Evolution! Definition: Natural Selection Definition: Genetic Variation: Selective pressure: Many Generations: Page 2: Categories of
More informationWTHS Biology Keystone Exams
WTHS Biology Keystone Exams Biology Keystone Review Packet 10 th / 11 th Grade Keystone Test Prep This packet contains helpful information for you to prepare for the upcoming Biology Keystone Test on May
More informationEvolutionary change. Evolution and Diversity. Two British naturalists, one revolutionary idea. Darwin observed organisms in many environments
Evolutionary change Evolution and Diversity Ch 13 How populations evolve Organisms change over time In baby steps Species (including humans) are descended from other species Two British naturalists, one
More informationChapter 5 Evolution of Biodiversity. Sunday, October 1, 17
Chapter 5 Evolution of Biodiversity CHAPTER INTRO: The Dung of the Devil Read and Answer Questions Provided Module 14 The Biodiversity of Earth After reading this module you should be able to understand
More informationwww.lessonplansinc.com Topic: Dinosaur Evolution Project Summary: Students pretend to evolve two dinosaurs using genetics and watch how the dinosaurs adapt to an environmental change. This is a very comprehensive
More informationScience 9 - Unit A Review Sheet
Science 9 - Unit A Review Sheet Learning Outcomes Can you? describe the relative abundance of species on Earth and in different environments describe examples of variation among species and within species
More informationADAPTATIONS. Characteristics that give an organism a better chance of survival.
ADAPTATIONS Characteristics that give an organism a better chance of survival. Special traits that help living organisms survive in a particular environment. Ex: Polar bear s thick white fur keeps him
More informationEvolution. Darwin s Voyage
Evolution Darwin s Voyage Charles Darwin Explorer on an observation trip to the Galapagos Islands. He set sail on the HMS Beagle in 1858 from England on a 5 year trip. He was a naturalist (a person who
More informationWhat is a sex cell? How are sex cells made? How does meiosis help explain Mendel s results?
CHAPTER 6 3 Meiosis SECTION Heredity BEFORE YOU READ After you read this section, you should be able to answer these questions: What is a sex cell? How are sex cells made? How does meiosis help explain
More informationRegents Biology REVIEW 6: EVOLUTION. 1. Define evolution:
Period Date REVIEW 6: EVOLUTION 1. Define evolution: 2. Modern Theory of Evolution: a. Charles Darwin: Was not the first to think of evolution, but he did figure out how it works (mostly). However, Darwin
More informationGuided Reading Chapter 1: The Science of Heredity
Name Number Date Guided Reading Chapter 1: The Science of Heredity Section 1-1: Mendel s Work 1. Gregor Mendel experimented with hundreds of pea plants to understand the process of _. Match the term with
More informationGuided Notes: Evolution. is the change in traits through generations over! Occurs in, NOT individual organisms
Guided Notes: Evolution The Theory of Evolution is the change in traits through generations over! Occurs in, NOT individual organisms How Have Organisms Changed? At the time life emerged, the Earth was
More informationCompanion to Cells, Heredity & Classification Student Resources
Companion to Cells, Heredity & Classification Student Resources The 21st Century Center for Research and Development in Cognition and Science Instruction The CaSEbook Companion: Student Resource Book
More informationChapter Eleven: Heredity
Genetics Chapter Eleven: Heredity 11.1 Traits 11.2 Predicting Heredity 11.3 Other Patterns of Inheritance Investigation 11A Observing Human Traits How much do traits vary in your classroom? 11.1 Traits
More information7 th Grade Science Curriculum
(1 st 9 Weeks- 1 st 4.5 9 Weeks) Date Hobbs Science By being embedded throughout the, these Processing Skills will be addressed throughout the year. NM & 1 Scientific Thinking and Practice Understand the
More informationName Class Date. KEY CONCEPT Gametes have half the number of chromosomes that body cells have.
Section 1: Chromosomes and Meiosis KEY CONCEPT Gametes have half the number of chromosomes that body cells have. VOCABULARY somatic cell autosome fertilization gamete sex chromosome diploid homologous
More informatione.g. population: 500, two alleles: Red (R) and White (r). Total: 1000 genes for flower color in the population
The Evolution of Populations What is Evolution? A change over time in the genetic composition of a population Human evolution The gene pool Is the total aggregate of genes for a particular trait in a population
More informationUnsaved Test, Version: 1 1
Name: Key Concepts Select the term or terms that best complete the statement. A. algae and bacteria B. Cretaceous Extinction C. fossil record D. mass extinction E. multicellular organism F. Permian Extinction
More informationBiology EOC Review Study Questions
Biology EOC Review Study Questions Microscopes and Characteristics of Life 1. How do you calculate total magnification on a compound light microscope? 2. What is the basic building block of all living
More informationComputer Simulations on Evolution BiologyLabs On-line. Laboratory 1 for Section B. Laboratory 2 for Section A
Computer Simulations on Evolution BiologyLabs On-line Laboratory 1 for Section B Laboratory 2 for Section A The following was taken from http://www.biologylabsonline.com/protected/evolutionlab/ Introduction
More informationAdaptations and Biomes
Adaptations and Biomes What are Adaptations? Every organism has a variety of adaptations that are suited to its specific living conditions An adaptation is a trait that an organism has inherited that helps
More informationObjective 3.01 (DNA, RNA and Protein Synthesis)
Objective 3.01 (DNA, RNA and Protein Synthesis) DNA Structure o Discovered by Watson and Crick o Double-stranded o Shape is a double helix (twisted ladder) o Made of chains of nucleotides: o Has four types
More informationEvolution Changes in living things adaptation An Example of Survival
Evolution There are millions of different kinds of living things on Earth. Each and every kind of living thing is well suited to where it lives. For example, there are many different kinds of cacti. In
More informationUnit 9 - Evolution Practice Quiz
Unit 9 - Evolution Practice Quiz Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Lamarck s theory of evolution includes the concept that new organs in
More informationScience Unit Learning Summary
Learning Summary Inheritance, variation and evolution Content Sexual and asexual reproduction. Meiosis leads to non-identical cells being formed while mitosis leads to identical cells being formed. In
More informationEvolution: Natural Selection Lecture 16 Summer 2014
Evolution: Natural Selection Lecture 16 Summer 2014 Biodiversity 1 Globally - ~1.8 million species ~10,000 birds ~ 4629 mammals ~ 8240 reptiles ~ 900,000 insects (named) ~ 300,000 vascular plants ~ 20,000
More informationMULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) In what way(s) is the science of biology influencing and changing our culture? A) by
More information8/6/2014. Biodiversity. Evolution: Natural Selection Lecture 16 Summer Species Diversity & Unity. Darwin s Journey.
Biodiversity 1 Evolution: Natural Selection Lecture 16 Summer 2014 Globally - ~1.8 million species ~10,000 birds ~ 4629 mammals ~ 8240 reptiles ~ 900,000 insects (named) ~ 300,000 vascular plants ~ 20,000
More informationGAUTENG DEPARTMENT OF EDUCATION SENIOR SECONDARY INTERVENTION PROGRAMME LIFE SCIENCES GRADE 12 SESSION 4 (LEARNER NOTES)
TOPIC 2: THEORIES OF EVOLUTION (PART 1) Learner Note: Evolution is a theory. Evolution is change over time. Diversity is the RESULT of this change over time. If a trait is good, the organism survives and
More informationStudy guide for test on end of chapter 2 and beginning of chapter 3
Study guide for test on end of chapter 2 and beginning of chapter 3 Chapter 2 questions: You should review: 1. 2 sets of notes: Evidence for Evolution (be able to name 3 of the 5) and What can affect evolution
More informationNOTES CH 17 Evolution of. Populations
NOTES CH 17 Evolution of Vocabulary Fitness Genetic Drift Punctuated Equilibrium Gene flow Adaptive radiation Divergent evolution Convergent evolution Gradualism Populations 17.1 Genes & Variation Darwin
More informationVERY SIMPLY PUT-- Evolution is. change in a species over time.
EVOLUTION VERY SIMPLY PUT-- Evolution is change in a species over time. How long did it take to CHANGE? 66 million years ago 54 million years ago 37 million years ago 26 million years ago Present Day There
More informationUse evidence of characteristics of life to differentiate between living and nonliving things.
Grade Big Idea Essential Questions Concepts Competencies Vocabulary 2002 Standards All living things have a common set characteristic needs and functions that separate them from nonliving things such as:
More informationUnit 2 Lesson 4 - Heredity. 7 th Grade Cells and Heredity (Mod A) Unit 2 Lesson 4 - Heredity
Unit 2 Lesson 4 - Heredity 7 th Grade Cells and Heredity (Mod A) Unit 2 Lesson 4 - Heredity Give Peas a Chance What is heredity? Traits, such as hair color, result from the information stored in genetic
More informationEvolution Review. 1. Which evolutionary concept is best illustrated by the cartoon below?
Evolution Review 1. Which evolutionary concept is best illustrated by the cartoon below? 3. The diagram below shows the evolutionary relationships between several groups of organisms. 1) production of
More informationSome animals are adapted to survive in very cold conditions such as the Arctic.
Some animals are adapted to survive in very cold conditions such as the Arctic. Explain how the adaptations of Arctic animals help them to survive in cold conditions. (Total 6 marks) Page of 9 2 Human
More informationAre individuals in a population of a species the same?
LEARNING OUTCOMES Define the term variation. Discuss the fact that variation occurs within, as well as between, species. Describe the differences between continuous and discontinuous variation, using examples
More informationEvolution 2 Star. 4. Which statement is most closely related to the modern theory of evolution?
Name: ate: 1. Which statement about the rates of evolution for different species is in agreement with the theory of evolution? A. They are identical, since the species live on the same planet. B. They
More informationMAIN IDEA: Early scientists proposed ideas about evolution. In a phrase, tell what each scientist did to help develop evolutionary theory.
SECTION 10.1 KEY CONCEPT EARLY IDEAS ABOUT EVOLUTION Study Guide There were theories of biological and geologic change before Darwin. VOCABULARY evolution fossil gradualism species catastrophism uniformitarianism
More informationVocabulary Flash Cards: Life Science 1: LS1 (1-5)
Vocabulary Flash Cards: Life Science 1: LS1 (1-5) 1. Abiotic The nonliving parts of an ecosystem 2. Biotic The living parts of an ecosystem 3. Community The species that make up the living organisms in
More informationStructures and Functions of Living Organisms (LS1)
EALR 4: Big Idea: Core Content: Life Science Structures and Functions of Living Organisms (LS1) Processes Within Cells In prior grades students learned that all living systems are composed of cells which
More informationNatural Selection. Charles Darwin & Alfred Russell Wallace
Natural Selection Charles Darwin & Alfred Russell Wallace Darwin s Influences Darwin observed such variations in species on his voyage as a naturalist on the HMS Beagle Darwin s Influences Kept vast diaries
More informationEvolution. Taxonomy. Domains. Prokaryotes vs Eukaryotes
Evolution Taxonomy Domains Prokaryotes vs Eukaryotes Evolution unifying theme in biology Explains Both similarities and differences among living things How groups of organisms are related How organisms
More informationHEREDITY: Objective: I can describe what heredity is because I can identify traits and characteristics
Mendel and Heredity HEREDITY: SC.7.L.16.1 Understand and explain that every organism requires a set of instructions that specifies its traits, that this hereditary information. Objective: I can describe
More informationTheory of Evolution. Evolution The process of change over time. Specifically, a change in the frequency of a gene or allele in a population over time
Theory of Evolution Learning Goals Define "Evolution" & "Natural Selection". Describe the 4 steps of Natural Selection, giving an example of each. Explain the importance of "Variation". Does Natural Selection
More informationEvolution. A. cloning B. mutation C. selective breeding D. natural selection
Name: Date: 1. Which of the following is a source of genetic variation within a species? A. cloning B. mutation C. selective breeding D. natural selection 2. The illustration below shows the morphological
More information