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Lecture 3

ANT100Y1 Lecture Notes - Lecture 3: Stereopsis, Cathemerality, Ulna


Department
Anthropology
Course Code
ANT100Y1
Professor
Shawn Lehman
Lecture
3

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ANT100 Lecture Notes [September 26]
Primate Characteristics
Primates are mammals (warm-blooded, having hair, and feeding milk to young)
Primates differ from most mammals by having:
o Grasping hand and feet
o Collarbone (clavicle)
o Radius and ulna
o Forward facing eyes and stereoscopic vision
Primate Activity Patterns
Nocturnal: active at night
Diurnal: active during day
Crepuscular: active at dawn and dusk
Cathemeral: active any time of the day or night
Primate Diets
Most primates eat a variety of fruits, insects, flowers and leaves
A few species specialize by eating mostly or only leaves, which take special gut
adaptations to digest, or insects
Generally, larger-bodied species can eat more leaves whereas smaller-bodied species
can eat more leaves whereas smaller-bodied species can eat more insects
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Primate Taxatomy
Strepsirhine Characteristics
Dental tooth comb
Moist rhinarium (nose)
Unfused mandibular and frontal symphases
Tapetum lucidum
Postorbitol bar
Two super families: lemuroidea and lorisoidea
Two Stepsirhine Surperfamilies
Lemuroidea
Madagascar and Comoro islands
Arboreal quadrupeds and leapers;
some are partially terrestrial
Many small-bodied species
Are nocturnal
Female dominance
Varied diet
Lorisoidea
Found throughout sub-Saharan
Africa and Southeat Asia
Lorises and galagos
Arboreal quadrupleds
Nocturnal
Varied diet
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