Two species of crickets have partially overlapping ranges, in which hybrids are never found.Individuals—whether taken from overlapping areas or from non-overlapping areas—will rarely mate in the lab, because the females reject the songs sung by males of the other species.Of the few hybrids that are produced in lab crosses, all have low viability.The two cricket species described exhibit _______.
A) mechanical
B) behavioral
C) habitat
D) temporal
E) gametic

Question

Quizplus · Accepted Answer

The description given in the passage suggests that the two cricket species exhibit behavioral isolation, which refers to the fact that individuals of different species have different courtship behaviors and therefore do not mate with one another.

Two Species of Crickets Have Partially Overlapping Ranges, in Which