Distinguish among native, nonnative, and indicator species and give an example of each
Chapter 4, Problem 9(choose chapter or problem)
Distinguish among native, nonnative, and indicator species and give an example of each type. What major ecological roles do amphibian species play? List nine factors that help to threaten frogs and other amphibians with extinction. What are three reasons for protecting amphibians? Distinguish between keystone and foundation species. Describe the role of some sharks as a keystone species. Describe the role of the American alligator as a keystone species and how it was brought back from near extinction. Describe the role of beavers as a foundation species.
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