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Unit Plan
Ck 12: Biology: Late Precambrian Period Unit Plan
CK-12 Foundation

Ck 12: Biology: Late Precambrian Period

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Describes how events during the late Precambrian impacted life on Earth.
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Handout
Ck 12: Biology: Evolution of Multicellular Life Study Guide Handout
CK-12 Foundation

Ck 12: Biology: Evolution of Multicellular Life Study Guide

For Students 9th - 10th
This comprehensive study guide covers the main terms and concepts needed for a unit on the evolution of multicellular life.
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