9.1.11 - September 2, 2011 Are we reading the limits of...

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September 2, 2011 Are we reading the limits of habitat resilience? In the beginning… Day 1: First molecules Day 2: Bacterialike organisms Day 3: Photosynthesis Algae Day 4: First cells Day 5: Cell with genetic material Day 6: Insects, invertebrates, shelled animals, trilobites Day 7: fish humans Africa: content with most evidence of early hominoids o Badlands and Great Rift Valleys of eastern Africa Ardipithecus ramidus kadabba – dated 5.5 mya o Possible ancestor o Standing on two feet o Long forearms o Tree in background suggesting climbing Bipedalism allows: hands to be free, move faster, gain elevation, carry young Theories about evolution o bipedalism: o Better to see predeters in grassland habitat (contradicted by pollen and skeletal evidence o Need to move between batches of forest
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This note was uploaded on 04/01/2012 for the course ANTH 123 taught by Professor Johnson during the Fall '08 term at UNC.

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9.1.11 - September 2, 2011 Are we reading the limits of...

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