Page 138 - Science Course 3 (Book 2)

Mo11-L5b: Fossil Evidence About Paleozoic Era

Middle Paleozoic rocks contain evidence of major Fossil Evidence About Paleozoic
collisions between moving continents, which created Mo11–L5b Era
mountain ranges.
KEY CONCEPTS:
When several landmasses collided with the eastern 1. What does fossil evidence reveal about the
coast of North America, the Appalachian Mountains Paleozoic era?
began to form.

Vocabulary A-Z

Let us learn some vocabulary

coal swamp
an oxygen-poor environment where, over a period of
time, decaying plant material changes into coal.

Key Concept

Major Events During the Paleozoic Era

How did the Appalachian Mountains form?

supercontinent
an ancient landmass which separated into
present-day continents.

SUMMARY

Major Events During the Paleozoic Era
Life slowly moved to land during the
Paleozoic era as amphibians and reptiles
evolved.

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