BISC 102 Lecture Notes - Lecture 20: Homo Habilis, Homo Ergaster, Thermoregulation
10 Aug 2016
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Nish mass extinctions some de nitions about primates (make some. Ashcards for these) who"s who in hominin evolution? timing derived characteristics. These characters were not present in the ancestors that lived millions of years ago derived characteristics. At nails on grasping hands and feet large brain color vision long parental care complex social systems. There are no universal characteristics that de ne primates derived characters. Characteristics that has evolved since diverging from a common ancestor (after divergence) Anthropoids (=simians) primate suborder includes monkeys, apes and humans derived characters: fully opposable thumb larger brain. This is a clade because we have the ancestor and all of its descendants. Hominoids anthropoid superfamily includes apes and humans you don"t expect to nd these traits in monkeys derived characters: tail-less long arms more erect posture larger body size. Don"t exist because they were not a whole clade. Homininae is a sub-family and so is hominini.
