Answer:A
Explanation:The anatomy and behavior of that animal's immediate ancestor..
Answer:
11) A. The optimum pH of an enzyme is 6.6
12) C. A control group
Your answer is true according to my teacher
I would go with B & D because they change over time and they can go extinct like those big octopus in the oceans, they are rare to see in my opinion because they can blend in with other things that keeps them away from danger.