6
lesson pretestMultiple Choice

Pretest

Question 6 • TPS EdX Biology

The number of rhinoceroses has decreased to near extinction. How are rhinoceroses classified under the Endangered Species Act?

Answer
A
endangered
B
extinct
C
threatened
D
pioneer

Explanation

Under the Endangered Species Act, a species is classified as endangered when it is in danger of extinction throughout all or a significant portion of its range. Rhinoceroses have declined to near extinction, so the best choice is endangered. “Threatened” describes a species likely to become endangered in the foreseeable future, while “extinct” means no living members remain.

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