Answer:
a help break down complex molecule
If this is a true or false question then the answer is True
It can be called<span> a draw, a wash or a gulch</span>
Answer: <em>The Bottleneck Effect</em>
Explanation:
A Bottleneck effect is the sharp reduction of numbers of a population through environmental effects or human activity. It causes a loss of the genetic pool and its variety; genetic variation lowers and increases with time as random mutations occur.