Evidence for Evolution – The Fossil Record

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Arguments based on the fossil record as a“problem” for evolution backfiredNo Intermediate Forms in the Fossil Record?“So many intermediate forms have beendiscovered between fish and amphibians,between amphibians and reptiles,between reptiles and mammals, andalong the primate lines of descent that itoften is difficult to identify categoricallywhen the transition occurs from one toanother particular species.”- National Academy of Sciences, 199936
Land Mammal???MissingIntermediates????37
Page 1 and 2: Evidence for Evolution - The Fossil
Page 3 and 4: The Basic Story• Fossils are a re
Page 5 and 6: 2. Rapid Sedimentation• Rapid cov
Page 7 and 8: 4. Uplift• Great, but fossil nowb
Page 9 and 10: Good Spots for Fossilization• Mon
Page 11 and 12: Step 1: Stasis• In hypothetical c
Page 13 and 14: Step 3: Strong Selection• The new
Page 15 and 16: Step 4: Reintroduction• When the
Page 17 and 18: Step 6: Preservation• Population
Page 19 and 20: Takeaway Message:Conditions for fos
Page 21 and 22: Rock Strata: Real21
Page 23 and 24: Relative Dating of Strata• “Law
Page 26 and 27: Magnetostratigraphy• Earth’s ma
Page 28 and 29: Takeaway Points• As always, when
Page 30 and 31: First Impressions...• Bacterial l
Page 32 and 33: The Cambrian Explosion• About 550
Page 34 and 35: CarlSagan:CosmicCalendar34
Page 39 and 40: Reconstructions of representative E
Page 41 and 42: Skulls, in Chronological OrderNote:
Page 43 and 44: Out of Africahttp://discovermagazin
Page 45: Summary• Fossil record, though in

Evidence for Evolution – The Fossil Record

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