Explain how the structure of the heart and the blood vessels are adapted to their
functions.

As a small change in a person's dna can cause a genetic disorder

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 .

During convection, less dense fluid rises and denser fluid sinks.