ANTHRO 105 Study Guide - Final Guide: Land Degradation, Idiocracy, Hunting Hypothesis
Document Summary
Before agriculture, fewer pools of standing water, less malaria -> less selection for heterozygosity. Timeline on front of book 7 mya sahelanthropus tchadensis list speciments tell how old they are, where they are from, give specific specimens for the most important wins. Lucy: a afarensis (lake turkana, 4 mya) with a very thick femur w/ short legs, a. africanus tuang. How know femur is bipedal: linea aspera, valgus angle, femoral neck angle, intertrochanteric line, Inominate from biped: illium is flared laterally, bowl shaped, broader. Prior to 10,000 years old, no blue eyed people. How go from novel mutation to being very frequent today: sexual selection, no real testable hypotheses for whay it has become so common, very recent and obviously does something well. Hair color red hair: neandertals had this. White skinned probably and a lot had red hair. Twice in response to cows, oncei n response to camels.
