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What is an index fossil

What is an index fossil-example-1
User Acfreitas
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Answer:

Index Fossil

Step-by-step explanation:

index fossil, any animal or plant preserved in the rock record of the Earth that is characteristic of a particular span of geologic time or environment. A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time.

Kids Definition: A fossil that is found over a relatively short span of geological time and can be used in dating formations in which it is found.

User Millhouse
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