Which of the following is an example of mechanical isolation?

a. Two species of birds live in the same habitat, one mates in the spring and the other in the summer.


b. The flower structure of one species prevents the transfer of pollen from another species.


c. one species of lizards inhabits the trees, and another species inhabits the ground cover.Which of the following is an example of mechanical isolation?
The answer is b.


Mechanical isolation are isolation because their reproduction organs physically are not compatible to each other, so copulation between them are impossible.Which of the following is an example of mechanical isolation?
B