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THE EMERGENCE OF THE FIRST HUMAN BEINGS From tree-dwelling primate to genus Homo
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Overview of the lecture The dwindling forest habitat The earliest ground dwelling Hominids Evolution of the foot: Bipedal locomotion Evolution of the hand: Tool use Evolving brain: path to language and culture Homo erectus Homo sapiens.
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The dwindlng forest habitat Impact of climate change Retreat to the tree at night: chimps. Full-time life on the ground: Australopithecus Requirements for life on the dangerous ground. Improved tool use. Stronger social organization Group communication
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Bipedal locomotion and tool use Why not return to quadruped movement? Need to carry tools and food. Need to see on the grassy savannah. “Natural selection”: Differential mortality
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Key evolutionary process: Evolution of the human brain Increase in brain / body size. Restructuring of the brain.
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Cross section of the human brain
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The localization of cerebral functions
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Impact on females and childbirth The dilemma of painful childbirth. Prolonged childhood dependence The antecedents to human family and marriage.
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From biological to cultural evolution From genetically programmed to learned behavior. The emergence of a cultural mode of survival. The relation between “culture” and “intelligence” Biological evolution and racial differences.
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Homo erectus and migration to China African origins of the genus Homo. Homo erectus: 100% increase in brain size The Homo erectus tool kit Homo erectus and long distance migration.
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Peking Man 北京猿人 Běijīng Yuánrén
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Peking man Found at Zhoukoudian near Beijing in 1920s.ZhoukoudianBeijing Goes back as far as 770,000 years. Began with a tooth. Later excavations yielded skullcaps jawbones, facial and limb bones, the teeth of about 40 individuals Average cranial capacity: 1,000 cc. Special features: first documented use of fire. The disappearance of the fossils.
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The emergence of modern humans The increased brain: from 800 to 1,250 cc. From core tools to flake tools The Neanderthal question. Cro-Magnons, hunting, and long-distance running. The Cro-Magnon cave paintings
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The evolutionary sequence to Homo sapiens
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Altamira cave bison
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Cave painting hunting scene
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Dancing shaman
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The question of language origins No direct evidence in the fossil record. Homo erectus and the theory of “proto language” Cro-magnons almost certainly had language
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“Stone age” technologies Paleolithic big game hunting. Mesolothic: hunting / gathering Neolithic: the transition to agriculture
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Disappearance of big game hunters Impact of climate change. Retreat of the animals. Migration to the Americas “Paleolithic overkill”: Emergence of the “Mesolithic”
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From Paleolithic to Mesolithic Paleolithic economies disappeared millennia ago. Definition of “Paleolithic” and “Mesolithic” Cultural anthropologists have studied groups using Mesolithic technology: hunting and gathering. Examples: Inuit (Eskimo) Bushmen of the Kalahari Desert Australian aborigines Pygmies of Central Africa
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Ethnographic Strategy: Participant observation “Holistic” description as the first task. Search for universal components of human cultures. Economic base: making a living. Kinship and marriage. The raising of children. Expressive dimensions of culture: music, art, etc. Power and conflict resolution Healing of illness. Disposal of the dead Religion: dealing with invisible spirits.
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Hunter-gatherer features Economy: hunting wild animals, gathering vegetation. Long distance running. Occupational specialization only by age and gender. Monogamous egalitarian gender relations. Domestic economy: Sharing of meat. Social organization: Nomadic bands. Much leisure time. Relgion: zoomorphic spirits.
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