Lecture 14A

Lecture 14A - VII. Continental Drift I. Fossils fossil -...

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1 Lecture 14 History of Life on Earth Reading Ch 25 What is wrong with this picture? a. Humans and dinosaurs never coexisted b. Dinosaurs died out long before one million years ago c. There were no humans one million years ago d. All of the above Overview I. Fossils II. Geologic time scale III. Extinctions IV. Dating V. Earth has changed over time VI. Fossil record
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Unformatted text preview: VII. Continental Drift I. Fossils fossil - any trace of organisms that lived in the past form in sedimentary rock Permineralized fossils Trace fossils Resin fossils Compression fossils Cast fossils Intact fossils Living fossil no morphological change over very long time periods no close living relatives Ginkgo tree 445 mya Horseshoe crab 170 mya...
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