Which Situation is an Example of Behavioral Isolation

Question

Which situation is an example of behavioral isolation?
A) A species of daisy only blooms when nights become longer than nine hours.
B) The offspring of horses and donkeys are sterile.
C) The pollen of roses isn't recognized by the eggs of morning glories.
D) Female spiders only mate when a male of the same species taps her web in a particular way.

Accepted Answer

Behavioral isolation occurs when populations have different behaviors, such as mating rituals, and are therefore unable to interbreed. Female spiders only mate when a male of the same species taps her web in a particular way, demonstrating behavioral isolation. The other options describe other types of reproductive isolation.