Answer:
the answer should be -5
Explanation:
sorry if im wrong but i think i am right
edit: please give me brainliest
Should be A the newer layers are usually on top
Answer:
Extinction is the natural process by which species die off.
<span>This statement would most likely come from a comparative behaviorist. Behaviorists study the behavior of both humans and animals. If somebody said this statement, it would mean that they observed this animal's behavior over a long period of time to determine that it learned how to do something, and that it's not just a result of instinct. If it were instinct, an ethologist would study that. </span>