What happens to biodiversity on earth during a mass extinction?

As lineages invade different niches and become isolated from one another, they split, regenerating some of the diversity that was wiped out by the mass extinction. The upshot of all these processes is that mass extinctions tend to be followed by periods of rapid diversification and adaptive radiation.

Explanation:

a, i am pretty sure.

because they are eaten by the frog and the frog getseaten by the snake and the snake by the eagle