ANTH 1001March 19

ANTH 1001March 19 - ANTH 1001 Difference between dating...

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ANTH 1001 March 19, 2010 Difference between dating methods- type of samples; half-life; absolute Taphonomy: Fossil Formation **Taphonomy- Study of what happens to an organism after death; covers from the moment the organism dies to decomposition, to…. Fossil- the remains of an organism, or the traces of that organism **Petrifaction- when the organic molecules are replaced with inorganic materials (usually minerals from surrounding mat…) [turn to stone] part of fossilization process Can be frozen, trapped in tar pits, and lots of ways for an organism to be preserved ** What is taphonomy? And how does this play into fossil formation? Favorable conditions for fossils; relatively rare Geologic time scale Gradualism- idea of speciation event happening gradually over time Earth believed to be very old Cenezoic Primate Evolution Paleocene (65-55 mya) o Plesiadapiforms - are presented as a possible primate ancestor; “proprimates”- not true primates but keeps the link here
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  • Fall '07
  • Tague
  • Oligocene, arboreal quadrapetal monkey, small bodied ape, possible primate ancestor, Cenezoic Primate Evolution

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ANTH 1001March 19 - ANTH 1001 Difference between dating...

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