Question

One piece of evidence that scientists use to prove that these organisms once existed

Answer 1

What is meant by extinct How do scientists obtain information about extinct species?

How do scientists obtain information about extinct species? A species is extinct if no members of that species are still alive. Most of what scientists know about extinct species is based on the fossil record. What are mass extinctions?

Step-by-step explanation:

Answer 2

Fossils Hope that helps!