Question

An index fossil represents a species that lived during

A.
a long interval of Earth's history.
B.
Earth's entire history.
C.
a short interval of Earth's history.
D.
several intervals of Earth's history.
which one is it?

Answer 1

I think the answer is C.

Answer 2

C

Step-by-step explanation:

an index fossil is a fossil from a very short-lived, geographically widespread species known to exist during a specific interval of geological time.