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Chapter 6

ANTA01H3 Chapter Notes - Chapter 6: Old World Monkey, Ape, Rhinarium

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Genevieve Dewar

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Primates – Members of the mammalian order Primates, which includes lemurs, lorises, tarsiers,
monkeys, apes, and humans
Anthropoids – Members of a suborder of Primates, the infraorder Anthropoidea. Traditionally,
the suborder includes monkeys, apes, and humans
Omnivorous – Having a diet consisting of many food types, such as plant materials, meat, and
Diurnal – Active during the day
Nocturnal – Active during the night
Stereoscopic Vision – The condition whereby visual images are, to varying degrees,
superimposed. This provides for depth perception, or viewing the external environment in three
dimensions. Stereoscopic vision is partly a function of structures in the brain
Binocular Vision – Vision characterized by overlapping visual fields provided by forward-facing
eyes. Binocular vision is essential to depth perception
Hemispheres – The two halves of the cerebrum that are connected by a dense mass of fibers.
(The cerebrum is the large rounded outer portion of the brain).
Olfaction – The sense of smell
Neocortex – The more recently evolved portion of the brain that is involved in higher mental
functions and composed of areas that integrate incoming information from different sensory
Sensory Modalities – Different forms of sensation (e.g. touch, pain, pressure, heat, cold,
vision, taste, hearing, and smell)
Arboreal – Tree-living; adapted to life in the trees
Adaptive Niche – An organism’s entire way of life: where it lives, what it eats, how it gets food,
how to avoids predators, and so on
Dental Formula – Numerical device that indicates the number of each type of tooth in each side
of the upper and lower jaws
Cusps – The bumps on the chewing surface of premolars and molars
Quadrupedal – Using all four limbs to support the body during locomotion; the basic
mammalian (and primate) form of locomotion
Brachiation- Arm swinging, a form of locomotion used by some primates. Brachiation involves
hanging from a branch and moving by alternatively swinging from one arm to the other
Strepsirhini – The primate suborder that includes lemurs and lorises
Haplorhini – The primate suborder that includes tarsiers, monkeys, apes, and humans
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