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Finger [1]
3 years ago
15

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

Biology
1 answer:
insens350 [35]3 years ago
3 0

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.

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