TPO22L3 Pleistocene Rewilding (Zoology)

音频

题目

1.What is the lecture mainly about?

A. A proposal to identify all the animals that became extinct dining the Pleistocene epoch

B. A strategy for reintroducing native plants to an ecosystem

C. A process for identifying alternative habitats for large animals

D. A proposal to re-create features of ecosystems of the Pleistocene epoch

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2.According to the professor, what are the two main goals of Pleistocene rewilding?

[Click on 2 answers.]

A. To restore some evolutionary processes that ended during the Pleistocene epoch

B. To help prevent the extinction of certain species of mega fauna

C. To increase populations of native animal species in the western United States

D. To create a living laboratory where animal interactions can be observed

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3.According to the professor, how did the American cheetah influence the pronghorn antelope during the Pleistocene epoch?

A. The cheetah prevented the antelope’s population from growing too large.

B. The cheetah was a factor in the development of the antelope’s speed.

C. The cheetah dispersed the seeds of plants that the antelope needed to survive.

D. The cheetah caused the antelope to migrate out of the western United States.

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4.What point does the professor make when she discusses the maclura tree?

A. The feeding habits of large animals could help revive some diminishing 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 maclura tree has changed very little since the Ice Age.

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5.Why does the professor say that plants and small animals have continued to evolve since the Pleistocene?

A. To indicate why the western United States is well suited for Pleistocene rewilding

B. To suggest a way to balance an ecosystem using Pleistocene rewilding

C. To identify a potential problem with the Pleistocene rewilding concept

D. To explain how the idea for Pleistocene rewilding came about

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6.What does the professor mean when she says this:

A. Pleistocene rewilding has been tried before without success.

B. Pleistocene rewilding should be tried with just a few species.

C. Pleistocene rewilding has already been thoroughly researched.

D. Pleistocene rewilding is another form of human interference.


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