Why are index fossils good indicators of geologic time? A. They are rare. B. They lived during a short period of geologic time. C. They lived during a long period of geologic ti…

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asked Sep 15, 2022 201k views

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Justin Mathew · Answer 1 · 2022-09-15T15:11:01+0000

Answer:

B. They lived during a short period of geologic time.

Step-by-step explanation:

Index fossils are used to define and identify geologic periods. Index fossils must have a short vertical range, wide geographic distribution, and rapid evolutionary trends.

Why are index fossils good indicators of geologic time? A. They are rare. B. They lived during a short period of geologic time. C. They lived during a long period of geologic ti…

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