Apopulation of mammals originally lived in a certain area surrounded by land. then, some of the organisms were taken to an island. these two populations remained separated for hundreds of years.

a-

a the organisms on the island are no longer a mammalian species like those on the mainland.

b the organisms on the island are exactly the same as those on the mainland.

c the organisms on the island are completely different than those on the mainland.

d the organisms on the island are slightly different than those on the mainland.