A plant with a very small tubular type of flower that cannot be pollinated by a large honeybee is exhibiting which prezygotic isolating mechanism?

Question

Quizplus · Accepted Answer

Mechanical isolation occurs when differences in the physical structure of the organisms prevent mating or fertilization. In this case, the small tubular flowers physically prevent large honeybees from pollinating them, which is a form of mechanical isolation.

A Plant with a Very Small Tubular Type of Flower