Lec 7 Bild 3 2011 for Ted

Lec 7 Bild 3 2011 for Ted - BILD3 Lecture 7 History of Life...

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BILD3 Lecture 7 - History of Life on Earth I. Radiometric dating II. Changes in the fossil record
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fossil - any trace of organisms that lived in the past; often form in sedimentary rock permineralized fossils trace fossils resin fossils compression fossils cast fossils intact fossils
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