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APES Unit 5 Key Points Name: _________________________________________________ Date___________ Unit 5: Community & Population Ecology Required Reading: Chapter 7 Chapter 8 pp. 143-160 pp. 161-170 Important Due Dates: Unit 5 Test: Chapter 7 Key Points: Case Study: Why should we care about the American Alligator? What determines the number of species in a community? How are species classified according to their roles in a community? How do species interact with each other? How do communities respond to changes in environmental conditions? Ecological Succession Does high species biodiversity increase the stability and sustainability of a community? Case Study: Amphibians - Why are they vanishing? APES Unit 5 Key Points Name: _________________________________________________ Date___________ Compare and contrast the different types of species and their roles in ecosystems Indicator species Keystone species Foundation species Endemic species Invasive species Native species Non-native species Pioneer species Cosmopolitan species Give an example of Resource Partitioning and explain why species would do this Ways that predators increase their chance of Eating: How does Prey increase their chances of survival? Types of Animal/Organism Defense Species Interactions and Symbiotic relationships: Mutualism APES Unit 5 Key Points Commensalism Parasitism Name: _________________________________________________ Date___________ Ecological Succession in an ecosystem Give an example of: o Primary succession o Secondary Succession o Climax community o Pioneer species How does succession affect animal species? Chapter 8 Key Points: Carrying Capacity What is biotic potential? J Curves vs. S curves APES Unit 5 Key Points Name: _________________________________________________ Date___________ Predator Prey Patterns and Cycles: Use the graph – Figure 8-7 to explain the normal pattern of predator/prey relations Reproductive Strategies: o R –selected species o K-selected species What is a survivorship Curve? Interpret the Diagram – Figure 8-11 on p. 169