Anthro notes - 29/01/2008 12:04:00 Primeapes Most...

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Unformatted text preview: 29/01/2008 12:04:00 Primeapes Most characterized trait between them is their reliance on vision as a dominant trait o Gives us overlapping vision with both eyes o Allowed us to see depth or three dimensionally Have large brains relative to our body sizes Small litters o Slower growth and maturation o Flexible, learned behavior o Sociality, with adult males in groups Nails instead of claws Opposable thumbs o Mobile wrists and ankle joins o Mobile shoulder joints Two different types of primates o Primitive or lower primate Mostly found in Madagascar o Anthropoids or advanced primates Platyrrhines New world monkeys Evolved in mexico and central and south America Catarrhines= Old world monkeys apes and humans Some non-humna primates occasionally walk bipedally Humans are the only primates who are obligate bipeds (walk on two feet) Important because are spinal column articulates better with our brain then chimpanzees Apes and Hominids o Some people call this group ongids Groups of time Era o Cenooic o Mesozoic Cretaceous Jurassic Tuertiary Miocene Epoch when the hominids emerged Apes were much more common Period Epoch Difference in primates lack of a sectorial premolar in is a secondary feature that links all hominids o teeth get sharpened wihen they open and close their mouth Depositional environments in East Africa Fluvial- sediments depositalby high energy Contain large seditionary particles also Fluvial action has potential to disturb archaeolofical materials Lecuter Early homo Retains some primitive features, including relatively large cheekteeth Different from Australopithecus: larger relative brain size, more domed cranial vault and less projecting face Importance of expanding brain size o Guts become smaller o Barrel rib cage instead of funnel cage First stone tools were butchered bones o Cores o Hammerstones o Flakes o Stone tools were also robably one of the major reasons that early Homo was able to colonize lands outside of Africa for the frist time c. 1/7 mya o Prior to 1.8 mya, the genus homo was comprised of two species Homo habilis and homo rudolfenis First small body small face small brain second has relatively big body big face and big brain ALL NEED TO KNOW is both around at the same time and one is bigger than the other One of the two gave evolved into homo ergaster Homo ergaster o Appears 1.8 million years ago o Widespread in Africa o Significantly larger brain than H. habilis and rudolfenisSignificantly larger brain than H....
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This note was uploaded on 03/29/2008 for the course ANTHRO 100 taught by Professor Bowie during the Spring '08 term at Wisconsin.

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Anthro notes - 29/01/2008 12:04:00 Primeapes Most...

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