Imagine you are a fish stranded in a small pool of water on land. The pool of water occasionally almost dries up. What challenges does life on land present? What are 2 key changes in vertebrate evolution from aquatic to terrestrial habitats?

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 .