8) HomHum08 - HOMININ EVOLUTION FOSSIL EVIDENCE FOSSIL...

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HOMININ EVOLUTION FOSSIL EVIDENCE FOSSIL RECORD IS BIASED FOSSILS ARE THE EXCEPTION, NOT THE RULE • ENVIRONMENTAL BIAS PRESENT-DAY CLIMATE • GEOLOGICAL ACTIVITY TEMPORAL BIAS • LIMITED ACCESS RELATIVE DATING: DATE RELATIVE TO SOMETHING ELSE ABSOLUTE DATING: AGE OF SOMETHING IN AND OF ITSELF • STRATIGRAPHY: ACCUMULATION OF LAYERS OF SEDIMENT •CARBON 14 •POTASSIUM-ARGON (K/A) • MOLECULAR MYA: MILLION YEARS AGO BP: BEFORE PRESENT (1950) PLIOCENE 5 - 2 MYA AUSTRALOPITHECINES PLEISTOCENE 2 MYA -10,000 BP HUMAN LIFE • Lower Pleistocene 2-1 mya last Australopithecines first Homo • Middle Pleistocene 1 mya- 130,000 BP Homo erectus Homo sapiens • Upper Pleistocene 130,000 BP- 10,000 BP Homo sapiens
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HOLOCENE (RECENT) 10,000 BP - PRESENT AUSTRALOPITHECINES ARDIPITHECUS RAMIDUS 4.4 MYA • ANCESTRAL TO AUSTRALOPITHECUS • OLDEST HOMININ TO DATE ARDIPITHECUS RAMIDUS KADABBA 5.8 MYA ARDIPITHECUS KADABBA AUSTRALOPITHECUS ANAMENSIS A. ANAMENSIS 4.2 MYA A. AFARENSIS 3.8-3 MYA A AFRICANUS
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This note was uploaded on 03/23/2011 for the course ANTH 101 taught by Professor Hollypetersgolden during the Fall '08 term at University of Michigan.

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8) HomHum08 - HOMININ EVOLUTION FOSSIL EVIDENCE FOSSIL...

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