One group of fruit flies reproduces in August and one group reproduces in September. Which of the following mechanisms is preventing them from crossbreeding?
A) Sexual isolation
B) Diurnal isolation
C) Gametic isolation
D) Temporal isolation
E) Mechanical isolation

Question

Quizplus · Accepted Answer

Temporal isolation occurs when two populations reproduce at different times, preventing them from interbreeding. In this case, one group reproduces in August and the other in September, indicating temporal isolation as the mechanism preventing crossbreeding.

One Group of Fruit Flies Reproduces in August and One