Which Best Describes Biogeographic Isolation?
Answer :
A. It always leads to the formation of new species.
B. It cannot lead to evolution.
C. It is a mechanism for evolution.
D. It occurs only through geographic forces.
Correct Answer. D. It occurs only through geographic forces.
Biogeographic isolation is the separation of a species' populations into distinct geographical areas, which prevents interbreeding. Physical barriers such as mountains or rivers, habitat fragmentation due to human activity, dispersal to new places (e.g., islands), climate changes that alter habitats, or ecological separation as populations adapt to different niches can all cause this.
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