Question

Which of the following is a characteristic of an index fossil?

A.
The fossil is found only in an isolated part of the world.
B.
The fossil organism must have lived during a long span of Earth's history.
C.
The fossil must be found in great numbers.
D.
The fossil must look like many other fossils.

Answer 1

the answer is c

Explanation: index fossils has to be found in great numbers to be considered one.

Answer 2

C

Explanation: because Index fossils Have to found in a lot of places but in one time period.