Which of these is an example of temporal isolation?
a. One is a type of primate, the other is a type of marsupial.
b. One species is found only in New York, the other only in London.
c. One species is nocturnal, and the other species is not.
d. The average weight of the individuals in one species is 45 kg; in the other species the average is 290 kg.
e. One species performs a specific courtship dance. the other species does not.