D, because skin tans to help us stand being in the sun without getting burned.
An example of physiological adaption is being able to digest milk. Before, humans were not able to digest milk before we developed enzymes that now make us have the ability to do so, thus allowing us another food source.
The answer could be A.
A bacterial cell is about 0.2-20 um, while a typical eukaryotic cell is about 10-100um, according to many sources of research.
Answer:
Answers should be B. and E.
Answer: nitrogen base on the tRNA
Explanation:
It would be fish! And out of all the fish (bass) have the lowest energy level. ✔
