Primate Ecology & Behaviour

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9 Feb 2011
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Primates
-closest living relatives
Primate characteristics
-Primates are mammals (warm blooded, having hair and feeding milk to its young)
-Differ from most mammals by having:
----grasping hands and feet, collarbone (clavicle), radius and ulna, forward facing eyes and
stereoscopic vision (visual overlap which provides depth perception), great proportion of
our brain for eyesight
Activity patterns
-Nocturnal: active in night
-Diurnal: active during day
-Crepuscular: active at dawn and dusk
-Cathemeral: active any time of day or night
Diets
Frugivore: diet of fruit
Folivore: diet of leaves
Insectivore: diet of insects
Faunivore: diet of invertebrates and vertebrates
Gummivore: diet of tree exudates
Graminivore: small seeds and grasses
Omnivore: varied diet of any of the above
Know primate taxonomy up until the infraorder level
Strepsirhine characteristics
-Dental tooth comb
-Moist rhinarium
-Unfused mandibular and frontal symphases
-Tapetum lucidum
-Postorbital bar – bone around the eye
-Two superfamiles: Lumuroidea and Lorisoidea
--see better in the dark
Lemuroidea
-Madagascar and Comoro islands
-Arboreal quadruplets and leapers; some are partially terrestrial
-Many small bodied species are nocturnal
-Female dominance
-Varied diet
Lorisoida
-Found throughout sub Saharan Africa and southeast asis
-Lorises and galagos
-Arboreal quadruplets
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Document Summary

Primates are mammals (warm blooded, having hair and feeding milk to its young) --grasping hands and feet, collarbone (clavicle), radius and ulna, forward facing eyes and stereoscopic vision (visual overlap which provides depth perception), great proportion of our brain for eyesight. Cathemeral: active any time of day or night. Omnivore: varied diet of any of the above. Know primate taxonomy up until the infraorder level. Arboreal quadruplets and leapers; some are partially terrestrial. Found throughout sub saharan africa and southeast asis. Relatively large eyes, with fused lower leg bones. Prehensile tail in few species can support themselves with tails. Cercopithecidae, hylobatidae, and hominidae variety of diets, social organizations, and adaptations. Alot of facial expressions can be related back to primates like chimpanzees. Scaling: area (l times w) and volume (l times width times d) change at different rates. Animal doubles in size will be eight times heavier. Small animals have greater heat (energy) loss than larger animals.

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