Fossil fuels, such as coal and oil, get their names because they form from fossilized organisms trapped under extreme pressure and heat from the center of Earth. Explain how the model shows the requirements for fossil fuel formation.

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 .