PALec6 - Living Non-Human Primates Lecture 6 The Three...

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Unformatted text preview: Living Non-Human Primates Lecture 6 The Three Mammalian Orders Metatheria (marsupials) -- give birth without the aid of a placenta. Prototheria (monotremes) -- egg layers. Eutheria- placental mammals Primary Marsupial / Monotreme Homelands Kangaroos Koalas Possums Opossum Echidnas Platypus Things to Remember There may be as many as 10 million species of animals on earth. Mammals make up only around 4,000 of these species. There currently are only 250 species of primates . Some Principle Primate Features Grasping hands (and sometimes tails). High degree of learned behavior. (Relatively) large brains. Stereoscopic eyes. Almost all live in social groups. Primate Diversity Various primates eat fruit, vegetable matter, insects, amphibians, reptiles, other mammals, fish, and other primates. They can live on the ground, in the trees, or some combination of the two. Today they naturally occur in Africa (the birthplace of the first primates), many parts of Asia , South America , Mexico , and perhaps a small area of Europe . Primate Diversity 2 Primate range in size from 450 pounds to 2 ounces. Primates are both hunters and hunted. Some are diurnal some are nocturnal (the vast majority are diurnal). Mouse Lemur Gorilla Primate Suborders Strepsirhine (strepsirini) - Lemurs, lorises, galagoes (a type of loris) Haplorhine (haplorhini)- Tarsiers, monkeys, apes, humans Alternative Classification scheme: Prosimii and Anthropoidea . (sometimes called lower and higher primates, respectively). Ring-Tailed Lemurs Sifaka Lemur...
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PALec6 - Living Non-Human Primates Lecture 6 The Three...

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