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An index fossil, such as the Irish Elk, is :____________

a. the original set of fossil remains used to describe a species when it is first found.
b. a fossil with a strong stable isotope signature that can be used to calibrate the local vegetation cover.
c. the fossil remains of a species that existed during a well-established time period, to use in biostratigraphic dating.
d. the fossil of a species amenable to radiometric, and thus absolute, dating.

Answer :

DAISYNMIN

Answer:

C

Explanation:

Irish elk is an extinct species of deer. They lived a long, long, long time ago. So their fossils are from that period too.

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