Geological eras - PowerPoint PPT Presentation

Evidence for evolution

Evidence for evolution. In the early 1800’s prevailing belief was that: organisms were specially created and unchanged since their creation Species created independently of each other Earth not old. Ussher’s estimate: for Earth’s creation 4004 BC. Lamarck.

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Part 1: Paleohistory of the American West

Petroglyphs, Mastodon Mystery and Climate Change - Three Discussions about the prehistoric American West &amp; what lessons can be applied to the present day. Part 1: Paleohistory of the American West. North America Satellite view. North America Satellite view 12kya. Keeling Curve.

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583 views • 43 slides

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