Which is a result of a seasonal change (meaning a change that happens over and over at a certain time of a year)? a. grass being destroyed in a forest fire b. squirrels moving due to trees being cut down c. birds moving south when the weather gets colder d. deer dying due to changes in hunting laws (example of right answer) chipmunks sleeping underground through the winter

C. Birds moving south when the weather gets colder

Explanation:

The seasonal changes are the changes, which occurs in accordance with the changes in the season. The seasonal migration in birds is a good example of seasonal changes, in this, the birds move from one place to another to stay away from harsh weather and come back again when the weather is suitable.

Other changes in the given questions are terminal changes and lead to the damage to ecosystem. These changes are not the seasonal one.

pregnancy happens more and more

c. establishing proper sleep hygiene