Wild parrots live in warm climates. Few young parrots would survive an exceptionally cold winter in these regions. If this cold weather pattern continues year after year, which of the following statements best describes how the parrot species will respond? A)The surviving parrots will die during this winter or the next winter.

B)The parrots will migrate to higher latitudes to preserve their population.

C)The surviving parrots will produce offspring that have larger feathers to cover the body.

D)The parrot population will, over generations, produce offspring that are better able to tolerate cold weather.