Answer over evolution they lost them
so no
Explanation:
<span>Choice (a) is the most correct. Fish must excrete large quantities of water as a way of keeping the homeostasis in their cells. Otherwise, the water levels in the cell could become too high and the cells would likely rupture, leading to the death of the organism.</span>
This would mean a change in base sequence, which is very important for the proteins to carry out their function. It could lead to a mutation and a change in the role of the protein.
The answer is either endorcrine or reporudctive,