1
Published in 1997
"This report illustrates how crinoids lived and became fossilized. By studying animations and the paper model, students will better understand the flower-like animal that is referred to as a """"sea-lily"""" and its ocean-floor environment. Included are templates for making the paper model,...
Grade Level   9 10 11 12
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2
Published in 1994
This report illustrates how two organisms, a trilobite and a nautiloid, became fossils. The report is intended to help students and others visualize the size and shape of a trilobite and a nautiloid, the environment in which they lived, and the circumstances of their fossilization and subsequent...
Grade Level   3 4 5 6 7 8 9 10 11 12
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3
Chapter 5 focuses on Prehistoric Earth, geologic time, and early lifeforms on this planet.
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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