02Pres - Welcome to BIO 346 Human Biology Late-comers: If...

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Unformatted text preview: Welcome to BIO 346 Human Biology Late-comers: If you did not get the handout last Thursday, pick up a copy today next to the entrance door to this room. You also need to buy a copy of the textbook for this course at the University COOP. The website for this course is at http://www.bio.utexas.edu/courses/kalthoff/bio346/ Who Is Who Among the Primates How Humans View Their Place in Nature Taxonomic Tree of the Primates The Great Apes Orangutan ( Pongo pygmaeus ) Gorilla ( Gorilla gorilla ) Chimpanzee ( Pan troglodytes ) Bonobo ( Pan paniscus ) Shared characteristics of the great apes Features that Set Humans Apart Human Traits of Parenting and Sexuality Figure S2.a: Family Tree of Placental Mammals When dinosaurs became extinct ~ 65 million years ago, a stock of shrew-like mammals gave rise to all current mammalian orders. Figure 2.1: Pliopithecus, dated ~ 20 million years ago This hominoid fossil was found in Neudorf (Czechoslovakia). It shows some of the basic primate features, many of which are adaptations to living in the tree canopy. eyes parallel, forward head with a short snout grasping hands and feet Fat ngernails erect posture generalized teeth large, complex brain long gestation, infancy Dental Formulas of Primates. Most Anthropoids have 32 adult teeth, although some New World monkeys have 36. Note the rounded cusps of molars and premolars. Vertebrate Brains in Lateral View. The large overall size of the primate brain, and the over-proportionate growth of its cerebral cortex, facilitate learning and problem solving. Who Is Who Among the Primates How Humans View Their Place in Nature Taxonomic Tree of the Primates The Great Apes Orangutan ( Pongo pygmaeus ) Gorilla ( Gorilla gorilla ) Chimpanzee ( Pan troglodytes ) Bonobo ( Pan paniscus ) Shared characteristics of the great apes Features that Set Humans Apart Human Traits of Parenting and Sexuality Figure 2.2: Simplifed primate taxonomy. Simplifed primate taxonomy....
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02Pres - Welcome to BIO 346 Human Biology Late-comers: If...

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