Chemistry, 23.02.2021 20:40, yedida

To be an index fossil, a fossil must (1) be present in rocks that are scattered over a
large geographic area
(2) be the remains of an organism that lived for a
long period of geologic time
(3) occur in small numbers within the rock layers
(4) consist of bones from an extinct vertebrate

Answers: 1

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To be an index fossil, a fossil must (1) be present in rocks that are scattered over a
large...