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11.24: Life of the Phanerozoic Eon

Difficulty Level: Basic Created by: CK-12
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Vocabulary

Cenozoic Era

The most recent era of the Phanerozoic; the age of mammals.

Mesozoic Era

The middle of the Phanerozoic; the age of reptiles.

Paleozoic Era

The first era of the Phanerozoic; when life exploded in type and quantity.

Phanerozoic Eon

The most recent eon, spanning 540 million years.

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Difficulty Level:
Basic
Grades:
6 , 7
Date Created:
Jan 04, 2013
Last Modified:
Aug 29, 2016
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