Mar28-post - Lecture 33: March 28 Human Evolution What are...

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1 Lecture 33: March 28 Human Evolution • What are Primates? - phylogeny • Early Human Ancestors - gracile australopithecines - robust australopithecines - early Homo - recent Homo • Out of Africa Hypothesis • Recent research on human evolution Discussion Activity Next week Article on carbon balance , EPA website and carbon calculators (week 13 folder) Check Qwizdom Points on SAMS https://cats.lsa.umich.edu/ Chapters 33 Biology in the News eyes on the front of the face with binocular vision hands and nails that are efficient at grasping flattened nails instead of claws on the fingers and toes large brains complex social behavior extensive parental care of offspring What traits characterize primates? Where do humans fit in the phylogeny of primates? The lineage consists of two main groups: the prosimians (“before- monkeys”) and the anthropoids ("human-like"). Anthropoids are distinguished from prosimians by their fully opposable thumbs.
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2 The lineage composed of the great apes is called the hominids . Humans are the only great ape that is bipedal (“two-footed”), walking upright on two legs. Evolutionary Timeline of Family Hominini:
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This note was uploaded on 12/06/2009 for the course BIO 225 taught by Professor Pavgi during the Spring '08 term at University of Michigan.

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Mar28-post - Lecture 33: March 28 Human Evolution What are...

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