Because prairie dogs have a major effect on the ecological functioning of their habitat and the health of other members of their community, they are considered to be

A. an indicator species.
B. a flagship species.
C. a keystone species.
D. an umbrella species.


Answer: C

Environmental & Atmospheric Sciences

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Albanians make up the majority of the population in:

A. Serbia. B. Montenegro. C. Kosovo. D. Bosnia.

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The three superfamilies of the ____________________ are Cercopithecoidea (or Old World monkeys), Ceboidea (or

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Environmental & Atmospheric Sciences

Which of the following best matches the description?Process of replanting an area after the original trees are removed.

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Environmental & Atmospheric Sciences