ANT 202 Lecture Notes - Lecture 2: Sahelanthropus, Tugen Hills, Donald Johanson

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Ant-202 fact sheet week 2 september 28-30, 2015. 30 september, wednesday africa (continued) and appearance of the genus. Natural selection: in the struggle for survival, those organisms most well adapted to prevailing conditions will pass on their superior characteristics to succeeding generations with more frequency. Order: primates which includes all lemurs, monkeys, apes, humans, and human ancestors. Ant 202 -- fact sheet fall 2015 - p. 2. Family: hominidae gorillas, chimps, human and human-like ancestors represented in the fossil record back to ca. Subfamily (branch): hominin-- human and human-like ancestors represented in the fossil record back to ca. Genera: there are six hominin genera that we will be mentioning from oldest and most ape-like to youngest they are: The fossil record of the earliest hominins (pre-homo) The fossil consists of a remarkably complete skull (cranium). Much less prognathic profile, small canines and many other traits of the teeth distinguish it as a hominin not an ape.

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