Why are decomposers important to nutrient cycles? A. They store carbon in the environment for long periods of time.

B. They convert elements in the atmosphere into forms usable by animals.

C. They release nutrients back into the soil and atmosphere.

D. They are an important nutrient source for all consumers.

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 .