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Anthro Oct 4th 2012.docx

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Shawn Lehman

Anthro Oct 4 2012 Primate Characteristics - Primates are mammals (warm-blooded, having hair and feeding milk to its young) - Mammals are able to regulate body temperature - Primates differ from most mammals by having: - Grasping hands and feet, - Collarbone (Clavicle), - Radius and ulna, and - Forward facing eyes and stereoscopic vision. (we have depth perception. Allows us to judge the distance in a three dimensional state) Primates are not pets or actors. Primate Activity Patterns - Nocturnal: active at night - Diurnal: active during day - Crepuscular: active at dawn and dusk - Cathemeral : Active any time of day or night Strepsirhine Caracteristics - Dental tooth comb - Moist rhinarium - Unfused mandibular and frontal symphases - Tapetum lucidum - Postorbitol bar - Two superfamilies: lemuroidea and Lorisoidea Two stepsirhine Superfamilies - 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 Southeast Asia - Lorises and galagos - Arboreal quadrupeds - Nocturnal - Varied diet Haplorhine characteristics - Dry nose - Retinal fovea - Postorbitol closure - Fused mandibular and frontal symphases (Cf. Tarsiers) - Three infraorders: Tarsiiformes, Platyrrhini, and catarrhini Tarsiiformoes - One genus (tarsius) - Found in southeast Asia (e.g Philippines) - Small body size (80-130 g) - Relatively large eyes, with fused lower leg bones - Entirely faunivorous Platyrrhines (Neotropical monkeys) - Central and south America - Body mass: 110g – 11.4 kg - Cebidae, Atelidae, and callitrichidae - Prehensile tail in few species - Most entirely arboreal Catarrhines (wold world monkeys and apes) - Africa, Asia, Anad southeast Asia - Body mass: 1 kg – 175 kg - Cercopithecidae, Hylobatidae, and hominidae - Variety of diets, social organization and adaptation Human beings: Homo sapiens Human characterized by: 1) Habitual, upright, bipedal posture and locomotion 2) Use of forelimb almost entirely for manipulation, carrying, and throwing; rarely used for locomotion 3) Enormous expansion of brain valume 4) Reduction of the treeth, jaws and chewing muscles 5) Thinking lemurs, football and
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