Please hurry i need help. What process ensures that the normal number of chromosomes is restored after each cell division? During what part of the cell cycle does this occur?

According to the loco mass the mass of reactants and products

Why is it important to study each branch of earth science?

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 .