Several closely related frog species of the genus Rana can be found in the forests of the southeastern United States. The species boundaries are maintained by reproductive barriers. In each case, match the various descriptions of frogs below with the appropriate reproductive barrier listed. Options may be used once, more than once, or not at all.

A) behavioral
B) gametic
C) habitat
D) temporal
E) mechanical


Answer: A) behavioral

Biology & Microbiology

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