When allopatric populations reestablish contact upon elimination of a geographical barrier, ____ has occurred.
A) species clustering
B) secondary contact
C) adaptive radiation
D) sympatric speciation
E) evolutionary convergence

Question

Quizplus · Accepted Answer

Secondary contact occurs when populations that have evolved independently in allopatry (separate geographical areas) come back into contact with each other, potentially leading to various evolutionary outcomes.

When Allopatric Populations Reestablish Contact Upon Elimination of a Geographical