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Definition
| a suite of physical traits that enable an organism to live in trees |
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Definition
| refers to two lower molars, in Old World monkeys, that have two ridges |
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Definition
| organisms that move by brachiation, or arm-swinging |
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| canine-premolar honing complex |
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Definition
| the dental form in which the upper canines are sharpened against the lower third premolars when the jaws are opened and closed |
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Definition
| the numerical description of species' teeth, listing the number in one quadrant of the jaws, of incisors, canines, premolars, and molars |
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Definition
| characteristics present in only one or a few species of a group |
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Definition
| a space between two teeth |
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Definition
| a diet's flexibility in adapting to a given environment |
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Definition
| refers to those organisms that normally are awake and active during daylight hours |
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Definition
| humans and human ancestors in a more recent evolutionary taxonomy; based on genetics |
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Definition
| an enamel ridge connecting cusps on a tooth's surface |
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Definition
| the portion of the anteriror brain that detects odors |
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Definition
| refers to primates' thumb, in that it can touch each of the four fingertips, enabling a grasping ability |
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Definition
| the time and energy parents expend for their offspring's benefit |
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Term
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Definition
| the evolutionary relationships of a group of organisms |
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Definition
| a fistlike grip in which the fingers and thumbs wrap around an object in opposite direction |
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Term
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Definition
| an organism's use of an anatomical feature in a way unrelated to the feature's original function |
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Term
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Definition
| a precise grip in which the tips of the fingers and thumbs come together, enabling fine manipulation |
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Term
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Definition
| a tail that acts as a kind of a hand for support in trees, common in New World monkeys |
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Term
| primitive characteristics |
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Definition
| characteristics present in multiple species of a group |
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Term
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Definition
| the naked surface around the nostrils, typically wet in mammals |
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Term
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Definition
| refers to a premolar adapted for cutting |
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Term
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Definition
| anterior teeth (incisors and canines) that have been tilted forward, creating a scraper |
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Term
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Definition
| hominoids' pattern of lower molar cusps |
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