In the spaces provided, write either the type of fossil being described or a brief description of how the fossil type is formed.

How does human environment effect the biosphere

How many types of rock can form from the rock cycle

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 .