In pools where guppies and pike-cichlids coexist,guppies show ________ coloration.Researchers transplanted guppies from the pools with pike-cichlids and released them into pools with killifish.After 15 generations,the researchers observed that the transplanted guppies had ________ colored spots compared with the source population.
A)drab; more B)bright; more C)drab; the same number of D)bright; the same number of E)drab; less