April2810 - Last class What are all the species in the...

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Unformatted text preview: Last class What are all the species in the Australopithecines? Which are robust? Which are gracile? What are the differences between robust and gracile? When do they occur in time? Space? How did they live? What did they eat? Where did they live? What are the possible phylogenies of the Pliocene hominids? Saturday, May 1, 2010 Last time... What defines the genus Homo? When does Homo first appear? Where? How do we identify these fossils as Homo rather than Australopithecus? How are Homo habilis different from the other hominids they are contemporaneous with? 2 Saturday, May 1, 2010 Homo habilis Saturday, May 1, 2010 Homo habilis Where and when is Homo habilis found? What are its defining charateristics? Why is it considered Homo rather than Australopithecus? sediba? How is it similar and dissimilar from Australopithecus How is it similar and dissimilar from Homo rudolfensis? Saturday, May 1, 2010 Why Homo? What is the adaptive pattern of early Homo? Why were big brains and small teeth suddenly and strongly selected for? Saturday, May 1, 2010 Savanna-Woodland Saturday, May 1, 2010 Saturday, May 1, 2010 Olduwan Chopper Saturday, May 1, 2010 How to make an Olduwan Chopper Saturday, May 1, 2010 Kanzi Saturday, May 1, 2010 Kanzi on You-Tube http://www.youtube.com/watch?v=1zsSH9UUQtQ Saturday, May 1, 2010 Olduwan tools Saturday, May 1, 2010 Homo erectus an extinct species of relative large African and Eurasian hominids characterized by a modern postcranium, slightly projecting face, pronounced superorbital torus, and medium sized brain (by hominid standards) 13 Saturday, May 1, 2010 Homo ergaster (erectus) Saturday, May 1, 2010 How do you interpret the evolutionary record? H.sapiens H.sapiens H.sapiens H.erectus H.ergaster H.erectus H.habilis Saturday, May 1, 2010 H.habilis H.habilis Homo habilis and Homo ergaster Saturday, May 1, 2010 Homo rudolfensis Saturday, May 1, 2010 and Homo erectus Homo ergaster 18 Saturday, May 1, 2010 Changing adaptive pattern Expanding brain size Expanding home range Changing diet Changing metabolism Extended life span Changing social behavior? 19 Saturday, May 1, 2010 Brain size over time 20 Saturday, May 1, 2010 Body size 21 Saturday, May 1, 2010 Feedback loop Brain size expansion Change in diet Exaggerated 1st year growth Behavioral changes emphasizing learned behavior 22 Saturday, May 1, 2010 Homo erectus lifeways tool technologies that reflect advanced cognitive skills Dietary shift to a more heavily meatbased diet than its predecessors 23 Saturday, May 1, 2010 OH 9 - African Homo erectus 1.8-.8 mya 24 Saturday, May 1, 2010 Homo erectus 25 Saturday, May 1, 2010 Homo erectus sagittal keel long, low skull nuchal torus supraorbital torus broad, flat nasal bones large mandibles, no chin shovel-shaped incisors 26 Saturday, May 1, 2010 27 Saturday, May 1, 2010 Leave Africa? Predation? Technology? Migrating herds? Anatomical changes? 28 Saturday, May 1, 2010 Dmanisi 1.6-1.2 mya 29 Saturday, May 1, 2010 Dmanisi vs A. sediba 30 Saturday, May 1, 2010 Javan Homo erectus 1.6-1.2 mya 31 Saturday, May 1, 2010 Sangiran 32 Saturday, May 1, 2010 Chinese Homo erectus 1.0-.3 mya 33 Saturday, May 1, 2010 Lantian H. erectus 1.0 - 0.7 mya 34 Saturday, May 1, 2010 ...
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This note was uploaded on 09/08/2010 for the course ANTH 12 at San Jose State University .

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