Many different biological factors can result in reproductive isolation.

Many different biological factors can result in reproductive isolation. Which of the following best describes an example of how temporal isolation prevents members of two species of rodents from producing viable offspring? ( 2 points) 

Select one:

a. One species breeds only during the spring, while the other breeds only in autumn.

b. One species lives in a marsh ecosystem, while the other lives in a grassland ecosystem.

c. The sperm of one species is unable to fertilize the egg of the other species.

d. They have different mating rituals, preventing them from recognizing each other as potential mates.