Science questions , may be out of order but please help asap ( about mitosis )

Along what geographical feature are most of the oil producing regions located

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 .

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?