The questions below are based on the following description.
Several closely related frog species of the genus Rana are 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.
-One species mates at the season when daylight is increasing from 13 hours to 13 hours, 15 minutes; another species mates at the season when daylight is increasing from 14 hours to 14 hours, 15 minutes.
A)behavioral
B)gametic
C)habitat
D)temporal
E)mechanical

Question

Quizplus · Accepted Answer

The reproductive barrier in this case is temporal, as the two species mate at different times based on changes in daylight length.

The Questions Below Are Based on the Following Description