In the pleistocene period 10,000 years ago, there was a remarkable extinction of vertebrates in many continents, which may explain why the cheetah has famously low levels of genetic variation. which evolutionary mechanism does this reflect?
a: natural selection
b: bottleneck effect
c: founder princable

"Bottleneck effect" is the evolutionary mechanism among the choices given in the question that this effect. The correct option among all the options that are given in the question is the second option or option "B". I hope that this is the answer that you were looking for and it has come to your great help.

C) reflection (i also looked up the other choices just to make sure)