Official 22 Lec 3
Question 4 of 6
What point does the professor make when she discusses the maclura tree?

A.

The feeding habits of large animals could help revive some dinimishing plant species

B.

The climate has changed in North America since the Pleistocene epoch

C.

Mass extinctions of animals are generally preceded by mass extinctions of plants

D.

The muclura tree has changed very little since the Ice Age

正确答案:A

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