Answer;
A bottleneck effect
Explanation;
When only a few individuals survive unfavorable times, thereby losing the majority of genotypes in the next generation, it is called a bottleneck effect.
It occurs when there is a disaster of some sort that reduces a population to a small handful, which rarely represents the actual genetic makeup of the initial population.
the importance of water is that it will make you survive and it will make you feel fresh
Totipotent cells can differentiate into more types of cells
x or y because both can cause it