Question

A scientist finds a fossil that she thinks might make a good index fossil.

Answer 1

Answer:

An index fossil is also known as guide fossils or indicator fossil. They are fossils used to determine and identify geologic periods.

The main characteristics of an index fossil include :

1.It must be distinctive.

2.It must be widespread.

3. It must be abundant

4. It must be limited in geologic time.

Due to trends and studies of most fossil-bearing rocks being formed in the ocean, the major index fossils are mostly marine animal or plant organisms.

Answer 2

Answer:

Answer D

Explanation: