Which stage is the last stage of speciation? A. The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring. B. The populations are isolated and thus do not interbreed. C. The populations become totally separated from one another. D. The populations interbreed successfully.
D is the correct answer hope i helped !!!!!!!!
it should be D i just took this quiz. (please mark brainlist)