Question

African elephants flap their large ears to cool off. Which biology theme does this phenomenon represent?

Answer 1

Elephants flaps its ears to cool off.to also adapt to their temperature/environment.

Answer 2

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 adapting to the environment's temperature.