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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?
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How are species classified according to their roles in a community?
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How do species interact with each other?
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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
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Foundation species
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Endemic species
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Invasive species
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Native species
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Non-native species
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Pioneer species
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Cosmopolitan species
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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