Anthropology, oct 6.docx

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23 Apr 2012
Anthropology, october 6th
Lecture goals
- How primates differ from other mammals
- Basic taxomic characters of living primates
- Primate ecology and sociality
Primate characteristics
- Primates are mammals (warm-blooded, having hair and feeding milk to its young).
- Primates differ from most mammals by having
- Grasping hands and feet
- Collarbone (clavicle)
- Radius and ulna
- Forward facing eyes and stereoscopic vision.
- Primate activity patterns
Diurnal:active during the day
Crepuscular: active at dawn and dusk
Cathemeral: active any time of day or night
Strepsirhine characteristics
Dental tooth comb
Moist rhinarium (strong sense of smell)
Unfused mandibular and frontal symphases
Tapetum lucidum refocuses light for better night vision
Postorbitol bar
Two superfamilies : lemuroida and lorisoidea
Haplorhin characteristics
Dry nose
Retinal fovea
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