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The top documents tagged [appearance of organisms]
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appearance of organisms
13 lecture presentation0
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Earth History The Paleozoic Era. Paleozoic Time (544 - 245 Million Years Ago) n Bracketed by the two most important biological events in Earth’s history:
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Wednesday November 28, 2012 (The Phanerozoic Eon: The Mesozoic Era – The Age of Reptiles)
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T5 Fossils & the Rock Records
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Objectives
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Objectives Describe the geologic time scale. The Geologic Time Scale Distinguish among the following geologic time scale divisions: eon, era, period,
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Earth History
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Wednesday October 27, 2010
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Earth History. Geologic Time Scale The geologic Time Scale is a record of Earth’s history –The Earth is 4.6 Billion Years Old The names of the divisions.
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