anthro bio final review - Review Sheet Anthrbio 161 3rd...

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Review Sheet Anthrbio 161 3rd unit Lecture Early Species of Homo 1. How are members of genus Homo recognized in the fossils record? Small face, long limbs, large brain size, decreased tooth size. 2. What trends in body size, brain size, tooth size, hand anatomy and tool use are initiated with early Homo and then continue in later species of Homo ? Large brain size, small tooth size > shorter tooth row, smaller cheek teeth, sexually dimorphic by size, opposable thumbs, flakes, hammers, to axes. 3. What features differentiate the two skulls KNM-ER 1813 and 1470, and why do many paleontologists think the skulls are from different species? They think they are different because 1470 (rudolfensis) looked ape like but there are no post-cranial remains. 1813 is Homo habilis. 4. What is the Oldowan toolkit, and why do archeologists think Oldowan tools were used to butcher animals? They’re mode 1 tools, very primitive. Flakes, hammers, cores, manuports. Flakes were sharp enough to cut through elephant hide and they were all found near animal bones. Also, they chipped animal bones. - Homo habilis Distinguished by bigger brain, smaller molars and premolars, stone tools – “Oldowan”, manipulative hands, committed biped. 1813 skull. - Homo rudolfensis Assigned to Homo habilis at first. Skull 1470. Northern Kenya. Has a slight superorbital torus. - Kenyanthropus – Rough cranium similar to 1470, closer to the genus Homo. Lecture Later Species of Homo 1. What are the age, geographical distribution, body size, brain size, level of dimorphism, inferred diet and locomotion and tool kit of Homo erectus? 1.9 - .1 mya. Widely distributed. Compared to modern humans, Homo
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This note was uploaded on 01/30/2011 for the course ANTHROBIO 161 taught by Professor Frisancho during the Spring '10 term at University of Michigan.

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anthro bio final review - Review Sheet Anthrbio 161 3rd...

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