For this year's corn crop a farmer chooses to plant the seeds of the best-tasting corn plants from last year's crop. this is an example of
a. whole animal cloning
b. gene cloning
c. natural selection
d. artificial selection

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food