If we compare related rabbit species in desert and Arctic environments, we would expect (a) the desert species to have shorter legs. (b) the Arctic species to be smaller. (c) the desert species to...

If we compare related rabbit species in desert and Arctic environments, we would expect

(a) the desert species to have shorter legs.

(b) the Arctic species to be smaller.

(c) the desert species to have larger ears.

(d) the Arctic species to be the same size as the desert Species.

Which of the following mechanisms of evolution consistently causes populations to become more adapted to their environments?

(a) natural selection

(b) mutation pressure

(c) genetic drift

(d) gene flow