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Scientists speculate that extinctions did not occur in Africa as they did on other continents because animals coevolved with _______ in Africa.


A) plants
B) diseases
C) parasites
D) humans

E) A) and B)
F) A) and C)

Correct Answer

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A friend asks you for a definition of endemic because she is writing a history paper and this word keeps occurring in the literature in reference to bison on the Great Plains of the United States.Your response is that the word endemic means


A) a species that has gone extinct since humans have evolved on Earth.
B) a species that exists in many habitats on Earth.
C) a species that has coevolved with humans on Earth.
D) a species that lives in only one area of Earth.

E) All of the above
F) A) and D)

Correct Answer

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