Answer:
A. The reindeer population exceeded its carrying capacity.
Explanation:
It is Nucleic Acids, they consist of long chains of units like the proteins, but still both are different.
African elephants flap their large ears to cool off represents B. Relationship of structure to function
The African elephants flap their ears in the air to cool off the blood that flows through them. It's working like a fan. The elephant is ada<span>pting to the environment's temperature.</span>
Answer:
D. .................................
