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Question 3 of 6
What point does the professor make when she discusses the carrying capacity of an ecosystem?

A.

The availability of food is more important for species than the availability of space.

B.

The amount of environmental resistance in an ecosystem does not change over time.

C.

Environmental resistance controls the population size of species in an ecosystem.

D.

The population size of most species increases at a constant rate.

我的答案:

正确答案:C

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