Question

What are two characteristics of a fossil that would make it a good index fossil?

Answer 1

it is distinctive, widespread, abundant and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms. That being said, certain land organisms are useful in young rocks and in specific regions.

Answer 2

Step-by-step explanation:

The two characteristics of fossil that make it good index fossil are:

• A good index fossil is recognizable, widespread and abundant.

• A good index fossil should be unique and distinctive.

Ammonites are the example of a good index fossil.