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Tree-living existence
Arboreal
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Eat all kinds of food,including insects and small animals, as well as fruits,seeds,leaves,and roots.
Omnivorous
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Most primates have a feature that allows an even more precise and powerful grip
opposable thumbs
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Active during the day
Diurnal
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The order Primates is often divided into two suborders
Prosimians (premonkeys) and the anthropoids
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What animals are considered prosimians
lemurs,lorises,and tarsiers
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what animals are anthropoid
new world monkeys,old world monkey,the lesser apes (gibbons,siamangs) the great apes (orangutans, gorillas, and chimpanzess, and humans
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What are quadrupeds
Animals that move on all fours
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Using their hind lims alone to push off from one vertical position to another in a mode of locomotion
vertical clinging and leaping
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active during the night
nocturnal
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Have rounded braincases;reduced;nonmobile outer ears; and relatively small,flat faces instead of muzzles
Anthropoids (humans,apes,and monkeys
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anthropoid order is divided into two main groups
platyrrhines and catarrhines
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Cercopithecoids
Related more closely to humans than to New World monkeys have the same number of teeth as apes and humans.
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Terrestrial
Ground-living
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Sexual Dimorphism
the sexes look very different
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Hominoid
- Hylobates (gibbons and siamangs)
- Pongids (great apes)
- Humans (hominoid)
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Bilophodont patterent
their molars have two ridges or "loafs" running perpendicular to the cheeks
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Diastema
where the canine sits when the jaws are closed
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Brachiators
their long arms and fingers let them swing hand over hand through the trees.
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to support the weight of massive chest,gorillas travel mostly on the ground on all fours in a form of locomotion known
knuckle walking
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a dish-shaped pelvis, a lumbar curve in the spine,straight lower limbs,and arched,nonprehensile feet are related to
Bipedalism
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center of speech and other higher mental activities
cerebral
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