NAU Biology BIO 326
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BIO326 : Community : Community Structure : Review Questions

Community Structure: Review Questions
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1. The structure of a community reflects how species interact with their environment.

a) What is the closed community concept?

b) What is the continuum concept?

2. Keystone predators are critical species in a community. How does a keystone predator control the structure of a community?

3. What is the definition of a food web's stability?

4. Diversity indices include number of species and their relative abundances.

a) Why should relative abundances be considered?

b) What is the problem in using number of species to compare the diversity of samples of different sizes?

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