Chapter Review Questions
AP Biology
1. How is co-evolution significant in community ecology?
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2. Define the interaction terms. Fill in the chart of INTERSPECIFIC interactions:
Interaction
Effects on Population Density
Example
Competition:
Predation (includes parasitism):
Mutualism:
Commensalism:
3. What is the competitive exclusion principle?
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Chapter Review Questions
AP Biology
4. Describe Gausse’s experiment with Paramecia.
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5. Define ecological niche. What factors are included in an organism’s niche? How does a niche differ
from an organism’s habitat?
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6. Define and give an example of resource partitioning.
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7. Describe several defense mechanisms to predation in plants.
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8. Describe and give an example of the following animal defenses:
a. Cryptic Coloration:
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b. Aposematic Coloration:
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c. Batesian Mimicry:
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d. Mullerian Mimicry:
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Chapter Review Questions
AP Biology
9. What is meant by the “trophic structure” of a community?
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10. What does a food web show that isn’t indicated by a food chain?
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11. What limits the length of a food chain?
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12. Define a keystone species and discuss their importance to a community.
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13. What is an ecological succession?
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14. What is the difference between a primary and secondary succession?
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15. Discuss biodiversity, species richness, and relative abundance.
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Chapter Review Questions
16. Using Figure 53.10 and 53.11...draw, label, and describe both a food chain and a food web:
AP Biology
Chapter Review Questions
AP Biology
Now that you have completed the review questions for Chapter 53, answer the following essay questions ON
A SEPARATE SHEET OF PAPER. Label your paper appropriately with your name and the title of the
essay question – be thorough in your responses – these are past AP Exam questions!
1. Succession
2. Symbiosis in Nature