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Cards In This Set
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Adaptive Radiation
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Starting with one ancestor, species begin to exhibit different morphological and physiological traits that they can perform for different environments and regions
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Arboreal Hypothesis
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Proposed by Grafton Elliot Smith and Frederic Wood Jones, that primates defining characteristics were adaptions to life in the trees
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Primates
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Express arboreal adaption, dietary plasticity, and parental investment
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Differences between Primates and other mammals
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Versatile skeletal structure, enhanced sense of touch, enhanced sense of vision, reduced reliance on smelling and hearing, primitive and reduced number of teeth, parental investment
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Heterodont teeth
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Different types of teeth (mammals)
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Homodont teeth
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One type of teeth (fish and reptiles)
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Dental formula
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How many types of teeth a species have
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Dental arcade
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The total number of teeth
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Diestema
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The space between two teeth
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Sectoral premoral
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Refers to a premolar adapted for cutting
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Canine-premolar honing complex
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Dental form where upper canines are sharpened against lower third premolars
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Y-5 molars
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Hominoids' pattern of lower molar cusps, give Y shape
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Bilophodont molars
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Lower molars in Old World Monkeys that have two ridges
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Rhinarium
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Naked surface around nostrils, usually wet
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Morphology
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Physical shape and appearance
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