Which Statement About Mechanical Isolating Mechanisms Is False

question 53

Multiple Choice

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.

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