Each year as the weather gets cold, gray whales swim over 10,000 miles from arctic waters south to coastal areas of northern Mexico. After their young are born, they return to the Arctic. The whales are responding to an
stimulus.

This response is an example of
.

i think it's c

answer: blah

explanation:

bc blah

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

the electromagnetic energy from the sun arrives in the form of visible and invisible light.