ANTH 1102 Midterm: Anthropology Test 2 Lecture Notes and Study Guide

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Modern synthesis of evolution: macroevolution explaining human biological traits - change & variation over long periods of time environmental isolation creating genetic changes that lead to new species, hominin evolution. Microevolution genetic changes over shorter periods of time with no environmental isolation of speciation: human variation give fossils date of living in two ways. Absolute dating stratigraphy - how earth sediments are deposited over time: molecular mitochondrial dna dating (mtdna) - counting mutations (can see african genes = older because more mutation occur) radiometric techniques - measuring loss of unstable radioactive isotopes. Cenozoic early primates in a tropical world: arboreal environments o. Primates traits evolve: smell to sight, grasping, nose to hand, brain/body size ratio, parental investment, sociability. Living primates: primatology - study of nonhuman primates, terrestrial monkeys, most closely related to people the paleocene (65054 m. y. a) = not a lot of evidence primates appear dominated by prosimians (lemurs and lorises; nocturnal)

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