Which of the following is NOT a pre-mating isolating

Last updated: 8/7/2022

Which of the following is NOT a pre-mating isolating mechanism of speciation? 1. Two populations of a species splitting into separate habitats 3.75 points Save Answer 2. Each of two populations of a species start to carry different odors which are offensive to members of the other population. 3. Two populations of one species have evolved separately for generations, but when they are allowed to mingle again, the sperm of one population can no longer penetrate the eggs of the other population. 4. Two fly populations engage in mating behaviors at different times and thus are unlikely to mate with each other.