L8HumanOriginsPt2BB - A. aethiopicus AUSTRALOPITHECINES •...

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ANTH 100 September 20, 2010 HUMAN ORIGINS, PART 2 hominid foramen magnum Sahelanthropus tchadensis (Toumaï) gracile australopithecines Australopithecus anamensis A. afarensis (Lucy and Selam) A. africanus (Taung child) robust australopithecines A. aethiopicus A. robustus A. boisei endocast cranial capacity post-orbital constriction molecular clock
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ANNOUNCEMENTS Paper topic proposals due in discussion sections next week. Paper info on Blackboard in the “Research Paper” folder under Assignments. Film “Becoming Human: First Steps” today and Wednesday. Study guide on Blackboard under Course Documents.
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TAXONOMIES Apes + Humans + Extinct human ancestors Humans + Extinct human ancestors
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BIPEDAL ADAPTATIONS 1. 2. 3. 4. 5.
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Chimp Australopithecine Human Pelvis Foot
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BIPEDAL ADAPTATIONS Skull, foramen magnum
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Sahelanthropus tchadensis 7 MYA Toumaï
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MODEL OF HUMAN EVOLUTION
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Unformatted text preview: A. aethiopicus AUSTRALOPITHECINES • Hominid traits: 1. 2. 3. 4. • Gracile and robust Laetoli footprints GRACILE AUSTRALOPITHECINES A. aethiopicus GRACILE AUSTRALOPITHECINES • 2-4.2 MYA • Australopithecus anamensis • A. afarensis • A. africanus (South Africa) A. anamensis Left radius Right tibia A. afarensis Lucy Male and female Laetoli footprints A. africanus Taung child endocast ROBUST AUSTRALOPITHECINES A. aethiopicus ROBUST AUSTRALOPITHECINES • 1-2.7 MYA • A. robustus (South Africa) • A. boisei • A. aethiopicus A. aethiopicus Lower jaw A. robustus Lower jaw A. boisei Upper jaw and skull base Lower jaw SUMMARY • Australopithecines combo of hominid and ape-like traits. • Bipedal retained some arboreal adaptations. • Several species living at same time....
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This note was uploaded on 12/03/2010 for the course ANTH Anth 100 taught by Professor Niziolek during the Spring '10 term at University of Illinois, Urbana Champaign.

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L8HumanOriginsPt2BB - A. aethiopicus AUSTRALOPITHECINES •...

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