Which factor is most likely to have contributed to the high fertility rate in africa A lack of access to food
B Many economic opportunities
C high rate of education
D poor access to medical care

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 .