Which statement about mechanical isolating mechanisms is false?
A) They are prezygotic.
B) They may involve a pollinator in plants.
C) They can evolve by reinforcement.
D) They often involve differences in the shapes and sizes of reproductive organs of the different species.
E) They reduce the fitness of hybrids.

Question

Quizplus · Accepted Answer

Mechanical isolating mechanisms prevent mating or fertilization between species, so they do not directly affect the fitness of hybrids, as hybrids are not produced.

Which Statement About Mechanical Isolating Mechanisms Is False