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 organism in which one captures biomass from another is known as. 4. The relationship between two species that interact but do not affect each other is called. 5. Commensalism benefits one organism and the other is neither nor. 6. A good example of commensalism is a living with a shark. 7. An interaction between two or more species is called. 8. The term symbiosis means. 9. Competition among members of same species is called. 10. In natural world no organism exists in absolute. Complete the chart: ( + ) organism is beneficial. ( - ) Organism is harmed. ( 0 ) organism is neither harmed or beneficial. First one is done as an example; Type of interaction Organism A Organism B Competition - - Amensalism Exploitation Neutralism Commensalism Mutualism
Match the following. Competition The functional role of a particular species in an ecosystem Niche the entire range of conditions an organism is potentially able to occupy Fundamental Niche biological interaction in which two species use the same resources Realized Niche the part of a fundamental niche that a species actually occupies Competitive exclusion the variety of living organisms living in a community Biodiversity the relative numbers of each of the species living in a community Species richness Species Diversity the amount of plant material produced in a plot of land elimination of a competitive species Productivity the number of different species in a community
Answer the following. 1. What are the two different types of species interactions within competition? Explain and give examples of each. Ans.. 2. What is the difference between exploitative competition and interference competition? Explain and give an example of each. Ans. 3. Give an example of exploitative and interference modes of competition for intraspecific and interspecific types of competition. Ans. 4. What are the two broad types of mutualisms? Give an example of each. Ans. 5. Explain the principle of competitive exclusion and how it relates to niche differentiation. Ans.
6. Elephant seals along the coast of Alaska are highly territorial animals that are well adapted to the cold Arctic waters. They feed on squid, octopus, and a variety of fish, and depending on its size a male may maintain a harem of 30-100 females. a.) Using this example, explain the three criteria for a resource. Ans. b.) b. Is temperature a resource? How about space? Why or why not? Ans. 7. What is negative association? Please provide an example. Ans. Scenarios: Directions: Read through each scenario and determine whether it is a case of parasitism, predation, competition, mutualism, commensalism. In COMPLETE SENTENCES, explain the reasoning behind each choice. 1. Shrimp and Sea Anemone: The shrimp is immune to the stinging tentacles of the sea anemone. By hiding in the sea anemone, the shrimp is protected from predators.
2. Cattle Egrets and Livestock: As they graze, cattle stir up insects, which are eaten by the cattle egrets. 3. Tapeworm and Dog: The tapeworm attaches to the intestinal wall of the dog and takes nutrients consumed by the dog. 4. Ant and Acacia Tree: The ant burrows into a thorn of the acacia tree to live and eat sugar secreted by the tree. The ants benefit the tree by attacking predators. 5. Cleaner Fish and Shark: The cleaner fish feeds on parasites in the shark's mouth and gills. 6. Tick and Cow: The tick burrows into the cow's skin to suck blood.
7. Komodo Dragon and Water Buffalo: The komodo dragon bites a water buffalo to inject it with venom. About 1 week later, the water buffalo dies of poisoning and is eaten by the komodo dragon. 8. Tigers and Golden Jackals: Lone golden jackals often follow tigers to feed on the tiger s kills once the tiger has finished eating.