What produces restriction enzymes that can cut DNA into smaller pieces

Which image shows labeled organelles that are present only in plant cells?

What is the difference between how ionic and covalent bonds form

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 .