08/31/2015 Living Nonhuman Primates: Overview

08/31/2015 Living Nonhuman Primates: Overview - Living...

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Living Nonhuman Primates: Overview Lecture 08/31/2015 Why Study Primates? help understand fossils & evolution understand differences early ancestors Classification Kingdom Animalia Phylum Chordata Subphylum Vertebrata Class Mammalia Subclass Eutheria Order Primates Family Hominidae Genus Homo Species Sapiens Distribution Living Central & South America, Africa, SE Asia Fossil North America, Middle East Primate Habitats → Mainly tree, some ground Tropical rainforests less seasonality height on the trees (food types) top: more sunlight bottom: darker Woodland e.g. baboons more seasonality more predators Savanna (grasslands) live in bigger groups (avoid predators) no trees to climb → bipedalism (an idea, not correct) Spatial Habitat Home range/ day range territory: size, types of food
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Activity Pattern Nocturnal a. avoid competition hide easily avoid heat d. no visual communication
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Unformatted text preview: d. ○ no visual communication ● Diurnal a. ○ good visual d. ○ bad smelling Primate Distinct from others → Anatomical & Behavioral ● Structure of teeth ○ reFects diet: omnivorous ○ dental formula e.g. Gibbon & Human ● Hands & ±eet ○ grasping: divergent thumb & big toe, ²ngerprints ○ nails, not claws ○ good at manipulation ○ locomotion (move between trees, swing) ● Brian size ○ smart ● Eyes & Nose ○ reduced olfactory ability ○ increased visual ○ binocular/stereoscopic vision: good depth perception ○ postorbital bar (bone) ○ convergent orbits ○ color vision ■ trichromatic: monkeys, apes, humans ■ dichromatic: other primates ● Group living ○ complex social relationship ● Long period of juvenile dependency ● ±acial expression ○ muscles (di³erentiated)...
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  • Spring '08
  • REED
  • Physical Anthropology, nonhuman primates, complex social relationship, study primates, help understand fossils, Woodland e.g. baboons

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