Answered: The fossil record provides evidence…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter17: Processes Of Evolution

Section: Chapter Questions

Problem 11SA

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The fossil record provides evidence for:

A.When organisms lived on earth

B. How some species have gone extinct

C.How species evolved

D. All of the above

Expert Solution

Step 1

The fossil record is the story of life's development as preserved in sedimentary rock by fossils, which appear to be the remains or fingerprints of past geological periods' species. By comparing the ages of the fossils in each layer, the age of each layer may be established.

Fossils are valuable evolutionary evidence because they indicate how life on Earth used to be different than it is now. Paleontologists can employ radiometric dating to establish the age of fossils and categorize them to determine animal evolutionary relationships.

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