chapter7 - What is a Primate? As the environment changed...

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05/07/09 1 What is a Primate? As the environment changed dramatically, mammals evolved to fill the arboreal niches Linnaeus coined the word “primate” from the Latin, primas , meaning of the first order. He did so because this is the order that contains humans
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05/07/09 2 What typifies most primates? Well-developed visual senses- stereoscopic vision Color vision Larger brains for their body sizes Increased parental investment in offspring Period of development is longer in anthropoids that it is in prosimians Diversity of modes of locomotion
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05/07/09 3 Con’t Bunodont (low-crowned) molar and premolar teeth adapted to grinding and crushing food Generally tropical animals Active in daytime (most…)
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05/07/09 4 Classification of primates Separate them into two suborders Prosimians Anthropoids There is another older suborder: plesiadapiforms
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05/07/09 5 Plesiadapiforms The earliest primates-extinct Evolved during the paleocene Maybe not a true primate? Still debated Very heavy limbs, claws and no opposable thumbs, as well as rodent like-teeth
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chapter7 - What is a Primate? As the environment changed...

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