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ANT100 OCT 4.docx

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Shawn Lehman

ANT100 OCT 4 Primates Monkey B virus: One of the diseases that monkeys can pass to human through broken skin. This disease dissolves the brain (lethal to humans) but not harmful to the monkey itself. Primate activity patterns: Nocturnal: Active at night Diurnal: Active during the day Crepusclar: Active at dawn & dusk (popular for insect eating animals – bug come out at night) Cathemeral: Active any time of day or night depending on food availability at abundance Primate taxonomy: Primates ---- Strepsirhini/ Haplorhini Strepsirhine Characteristics: - Dental too comb (their lower teeth have adapted to form together like a comb) - Moist rhinarium (wet nose – important for species who use their noses) - Unfused mandibular and frontal symphases (two halves of bone in the forehead that fuse together – not completely, and jaw – squiggly line) - Tapetum Lucidum (magnifies light) - Postorbital bar (no bone at the back of the eye) - Two super families: Lemuroidea and Lorisoidea  Lemuroidea: - Only found in Madagascar and Comoro islands - Arboreal (in tree) quadrupeds (moving on all 4 legs) and leapers: some are partially terrestrial -Nocturnal -Female dominance (women take priority for food resources, etc) -Varied diet  Lorisoidea: -Found throughout sub-Saharan Africa and south East Asia -Lorisis and galagos -Quadriceps Hapllorhine Characteristics: -Dry Nose -Retinal Fovea (see colours than Strepsirhines) -Postorbital closure -Fused mandibular and frontal symphases -Three Infraorders: Tarsiiformes, Platyrrhini, and Cattarrhini  Tarsiiformes: -One Genus -Found in the Philippines -Small body size (80-130g) -Relatively large eyes (one eye ball is bigger than its brain) with fused lower leg bones -Entirely Faunivorous- local fauna (don’t eat fish because they can’t go in water) (do not eat leaves, fruit, or flowers; only eat meat and do it entirely without sight. Catch them by sight and smell)  Platyrrhini (neotropical monkeys – new tropic monkeys) -Central and South America -Body mass: 11-11.4kg -Cebidae, Atelidae, and Callitrichdae. -Prehensile tail in few species (support their weight on their tails) -Most entirely Arboreal (always high up in tree – never come to ground  Catarrhines (old world monkeys and apes) -Africa Asia southeast Asia -Body mass 1kg-175 kg -Cercopithecidae, Hylobatidae, and Hominade -Variety of diets, social organizations and adaptations Human Beings (homo Sapiens): -Habitual, upright, bipedal posture, and locomotion -Use of forelimb almost entirely for manipulation, carrying and throwing, not for locomotion -Enormous expansion of brain volume -Reduction of teeth, jaws, and chewing muscles *In the primate world direct visual contact is a threat Body Size -Scaling: Area (LxW) and Volume (LxWxD) change at different rates -Animals double in size will be eight times hea
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