Answers Biology A The Living Earth A Geologic TimeQuestion 1

1

AssignmentMultiple Choice

Geologic Time

Question 1 • Biology A (The Living Earth A)

How are eras and periods of the geologic time scale named?

Answer

A

They are named for the places where geologists first described rocks or fossils from that time.

B

Their names are based on the names of scientists who discovered the rocks and fossils.

C

They are named after plants and animals that lived during that time.

D

Their names are based on the number of centuries within that length of time.

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