Question

Which statement explains why ammonites are a good example of an index fossil?

Answer 1

Answer:

Ammonites existed only in the oceans.

Explanation:

Index fossils serve as a relative dating marker for geologic time periods and the rocks formed at those times. The fossils are of species that lived for only a short while, though that could be millions of years, and were widespread on the Earth. Ammonites are good index fossils for several reasons. First, they are easily identified by their spiral shells.

Answer 2

The statement explains why ammonites are a good example of an index fossil

Ammonites existed only in the oceans.

What is an Index fossil?

Index fossil are plants and animals which have been preserved in rock

surfaces over a long period of time and are usually characteristic of a

particular geographical location.

Examples of Index fossils include:

• Ammonites

• Brachiopods,

• Graptolites

• Nanofossils

• Trilobites

Ammonites are animal fossils which are characteristic of the marine

environment.

Read more about Ammonites here https://brainly.com/question/465687