Nov 29 - _ ,-_‘ w‘numr-mmumm h ‘r MIND-NFth ( 3 ‘...

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Unformatted text preview: _ ,-_‘ w‘numr-mmumm h ‘r MIND-NFth ( 3 ‘ .awmm-mw-ml " w .mdrmww um“ Ih-me IQ-rq: ‘ ‘JWI' 'I'I pm I: urn-6w Imu- , mum“ I m... aim-nu , ‘ «mu-mum , . h {.3 m. ,. "a..." EMde-lIu-I‘n‘wl ism 62 Anatomy of Bipadalism Adaptation: locomotion cm“... “#5 can‘t. I A. afmnsl: :35“ '1' Longer forelllnbs and \l \" shorter- hindlimbs Curved and long digits \' a “I "3?" Cranial oriented shoulder joint Multiple lines of evidence suggesting some climbing. Stern. Sussrnan, and Junger-s Interesting reconstruction of A. afmrm’s In the News "Savanna _.____..._,_“___—__—.__ chimpanzees use tools to harvest the [1,; underground storage K) B m» organs of plants" “ Here we report an the first evidence of chimpanzees using tools . 7 ‘2 ‘ _ a —._..._...H.__,_—__ to dig for U505, ‘ " " ‘ ., suggesting that exploitation of such _ " "‘ _———'—‘— resources was within the cognitive and H _ ___,______,____—_— technoiogical reach of M the earliest hominins. figtl\ N-lllli I __._._.. . ...____..——-——— u i M m IN-NJIII ~ .37.”:wwfifl "m: , -a 4-: “The dafa on U50 explanation by Ugalla chimpanzees joins recent observations of dry hahiTaT-adapfed chimpanzees a? Fongoli (Senegal) using wooden spears 'ro capture galogos (Ga/ago senegalensfs}. These Tool- assisted behaviora| pafier'ns—bofh consider-ed To be relevant to the evolution of humans—are unique among chimpanzees and emphasize The impor-iance of conserving and studying rare savanna populations." A) Modest decrease— in canine size by six million years ago or so B) shift to bipedal locomotion shortly after this time C) Human proportioned teeth by 3.0 my D) Significant increase in brain size by 21.0 my A series of adaptive shifts From Man the hunter to: Hominins the sharers -- foraging and sharing food within social context — an elaboration on a chimp pattern of behavior (A...Zihlman) o_r, Hominins the super parents -- early hominins intensified parental behavior — females invest most of time on young, males provision female and young (Lovejoy) To a scavenging omnivore lifestyle by 2,6 million years (shipman) To including more meat in diet (high energy food) by 1.8 my or so (Leonard) Survival for Homo and extinction for Pamnthrapus “.5 In the News three years ago “Charges possible in elk death" Boulder Daily Camera November 29, 2004 “Only its head and the hide around its shoulders - the desired parts for illegal trophy hunters - had been removed from the bull, which was estimated to weigh SOOIbs. Poaching is an annual problem around Roaky Mountain Park. Between 1931-2004 more than 700 convictions Appearance and evolution of genus Homo Homo babilis East and probably South Africa. 1.4 to 2.2 my. Similar to A. afi-ieams. differing in having smaller cheek teeth, larger brain (average cranial capacity = 640ml), and a less prognathic face. (human ancestor) Oldowan tools and Man! Leakey Homo saprens sapiens' H. s. neanderfhalensis / \- Early archaic H. sapiens / Homo erecrus / Homo haw”: A hypothesis about / hominin evolution in the Pleistocene Han-Ia emcfus' Brief review of discoveries E. Haeckel Eugene Dubai: Trinil, Java 1891-94 Dubois described a mmber of fossils from +l1is location. He proposed fhaf Home emms was +11: missing link befween apes and humans 850ml. up" 1:. Th;th mel ‘vy fllf-‘V'I l‘u‘u- - mmuummk mu- Wu mm. sump-v:- I'm-n wiuqm r'n an Article 25 Zhoukoudian: 0.5 my 200 plus specimens represen‘l’ing 40 individuals Some evidence of big-game hunfing Cranial capciczi+y of Zhoukoudian cont. Temperate-Alpine climate when Harm creams InaTerlal accumulaTed at site. Some evidence of fire. Also evidence of hyems scavenging H. erecfus #27 Turkam. Richard Leakey, and The “STrapping Yo—uth" Good fossils from Lake Turkana region document The presence of Home snafu: aT around 1.8 “Y Good archaeological record documenTing Acheulean Tools by 1.5m Cranial anatomy of hbma erecfus Cheek Teeth are slightly smaller and anterior Teeth slightly larger Than Those of Homo habih's. Brain is very large (TOO-1.200110. Skull has large brawridge, large occipital Torus, sagittal heel, and is relatively long and low. 50 Wk“? Possible Language CapobiliTies There are a number of areas of the brain that :n 0 associated with our language skills. Cerebral cortex Broca’s area Wernicke'i area Angular- gyms and Arouate fuciculus “unl— mum move-nun lam- mumm- um.» um. uni-mun“ \ suezeniwmmn mu ' Research continues to evaluate brain function Humans also differ from apes in the ‘ anatomy of our “voice box." Oral cavity and tongue II? tn IJIIIMII Larynx and pharynx a. 11 7. mun-gr. - In :I a: Ira-III]: lime: Hypoglossl canal size and language. How about the fossil record? How about the archaeological record? By 1.5 my brain size and shape are consistent with language, by 0.5 the hypoglossal canal is then, and behavior complexity dlulo s ru id duri « this time. ______.«...w.m._—__—— ...
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Nov 29 - _ ,-_‘ w‘numr-mmumm h ‘r MIND-NFth ( 3 ‘...

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