Ground squirrels living on the south side of the grand canyon in arizona never have an opportunity to mate with ground squirrels living on the north side of the canyon. which term is used by evolutionary biologists to describe this phenomenon?

geographic isolation

the sun's light combined with the visible wavelenghts form what is called ultraviolet radiation, which are the long waves at the end of a visible light sprectrum.

hope it ,

bioteacher101

japan is the correct anwser because i already took the test and i passed it