AR103 Lecture Notes - Prehensile Tail, Simian, Haplorhini
14 Mar 2014
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Ar103 - week 3 - sep. 28 2011. Do to being nocturnal they have large ears. Strepsirhini populations have the most well developed sense of smell of the primates. Tapetum lucidum - light in carpet, very sensitive vision in the dark from the cells in their retina"s. Many strepsirhini"s have 4 ngernails and a single claw, but not all strepsirhini populations have this characteristic. The single claw is used for grooming, usually on the index nger. Haplorhini have a larger body size and body size-brain ratio compared to the strepsirhinis. Most like the strepsirhini"s of all the haplorhini"s. Some have a prehensile tail (gripping tails) Live in larger groups, more complex social organization. Spends more time in a land based environment. Seeks shelter after dark in trees or high rock shelter. Finds most of their food in terrestrial environments. Live in relatively large and complex social organizations. Play is important in the development through growing in a social organization.
