Which example describes mechanical reproductive isolation?

Question

Quizplus · Accepted Answer

Mechanical reproductive isolation refers to the physical or anatomical differences between species that prevent mating or fertilization. The example given in option B of two fly species having differently shaped genitals that prevent interspecies mating is the only one that fits this definition. The other options describe different types of reproductive isolation - geographical (option A), temporal (option C), and hybrid inviability (option D).

Which Example Describes Mechanical Reproductive Isolation