Which best describes cell theory
a. scientists know all there is to know about cells, so the cell theory will never change
b. as technological advances are made, cell theory may change
c. a theory once formulated cannot be changed
d. the development of a synthetic cell has caused the cell theory to change

Which ocean is on the eastern coast of north and south america? arctic ocean indian ocean pacific ocean atlantic ocean

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 .

How energy move through ecosystem ?