What is true about the Krebs cycle? Two turns of the cycle are required to break down the two pyruvate molecules from glycolysis.

It occurs in the cytoplasm of the cell.

It is the final stage of cellular respiration and produces the most ATP.

It is an anaerobic process and thus does not require oxygen.

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 .