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23 Cards in this Set
- Front
- Back
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Sahelanthropus tchadensis |
6-7 MYA POSSIBLY hominin chimp-like brain less prognathic discovered in chad |
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Ardipithecus ramidus |
4.4mya last common ancestor of us and chimps top part is human like (bipedal elements), bottom is ape-like big grasping toe |
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Carbon isotope ratios |
c3 (trees, woody things) and c4 (grass) get incorporated in teeth from chewing and help us look at diet and environment. |
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Turkana Boy |
Homo erectus 1.5-1.6 mya very human like, wide at occipital, bipedal evidence of language in brocas area, but not advanced |
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Flores |
island that the hobbit was found on homo floriensis small, 1 meter tall bipedal may have just been erectus with down syndrome insular dwarfism AS RECENT AS 13k ago
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Homo erectus |
disappears at 400k, began around 1.8m??? Eugene Dubois found Java man turkana boy brow ridge, occipital torus |
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Expensive tissue hypothesis |
brains grew, stomachs shrank |
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Homo heidelbergensis |
600-200ka large brain size giant brow ridge
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Neanderthals |
very similar to sapiens many of us have neanderthals inside of us larger brain than us sometimes human behaviors burials care of elderly |
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regional continuity |
species left africa and all just evolved at same time |
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complete replacement |
species left africa, but they all died out and modern humans come from large late migration out of africa |
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mtDNA |
mitochondrial dna from mothers since africa is so large and spread out there is more diverse dna |
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ancient dna |
gives us much more information |
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Lucy |
Australopithecus afarensis found in fragments bipedal spent some time in trees |
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Afarensis |
Lucy and Dikka small bipedal ethiopia some time in trees |
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australopithecus sediba |
south africa small brain some human like elements (mandible, ankle bone) but mostly like apes last australopith before our genus |
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laetoli |
mary leakey found 13 different hominins human-like footprints from 3.6mya
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Stone tools |
Oldowon, achulean, mousterian, upper paleolithic |
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earliest homo |
2.3mya |
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Dental microware |
incisors and cusps/crests and all that carbon and nitrogen in teeth |
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Dmanisi |
1.7mya russia evidence of migration |
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Orrorin tugenensis |
kenya earliest hominin large canines spent time in trees femur had evidence of bipedalism |
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modern humans |
200kya cro-magnon more complex behavior than neanderthals
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