Multiple Choice
Parapatric speciation occurs when
A) selection causes a single species to develop different adaptations to a similar environment.
B) a population is divided into two reproductively isolated subgroups that form separate species.
C) a single species experiences a gradient of environmental differences within its geographic range, which result in reproductive isolation.
D) a formerly isolated subpopulation recolonizes its home range and mates with the remaining individuals.
Correct Answer:

Verified
Correct Answer:
Verified
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