Which of the following phrases best describes the results of natural selection? a. changes in the inherited characteristics of a population over time b. the natural variation found in all populations c. the struggle for existence undergone by all the livings d. unrelated species living in different locations

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .