Multiple Choice
Two species of squirrels live on either side of the Grand Canyon. It is believed that a long time ago, before being separated by the canyon, they were the same species. This is an example of
A) hybrid inviability.
B) mechanical isolation.
C) temporal isolation.
D) allopatric speciation.
E) behavioral isolation.
Correct Answer:

Verified
Correct Answer:
Verified
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