Question

What is a community? Paleontologists have found evidence that after a major extinction occurs, ____

Answer 1

Answer:

An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth. There is a sharp change in the diversity and abundance of multicellular organisms. I

Paleontologists have found evidence that after a major extinction occurs,many new species often appear at about the same time .

Explanation:

Answer 2

Answer:

new species often appear at about the same time.

Explanation:

A biotic crisis or a mass extinction crisis is a rapid and widespread decrease in biodiversity. There is a clear change after the mass extinction, in the diversity and  of multicellular organisms.