Idaimani01 Idaimani01
  • 13-07-2017
  • Biology
contestada

what makes a fossil an index fossil

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akwardPoTaTO
akwardPoTaTO akwardPoTaTO
  • 13-07-2017
well fossils can tell you a lot about the age of the rock it was found in, and an index fossil are used to used to define periods of geologic time.
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alasalmo14
alasalmo14 alasalmo14
  • 14-03-2019

A fossil found in rocks from one time period. (apex)

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