If one plant has a very small tubular type of flower and cannot be pollinated by a large honeybee, it may develop which type of prezygotic isolation?

Question

Quizplus · Accepted Answer

Mechanical isolation occurs when differences in the physical structure of the organisms prevent successful mating or pollination, as in the case where a plant's small tubular flowers cannot accommodate a large honeybee.

If One Plant Has a Very Small Tubular Type of Flower