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Lecture 7

Lecture 7.pdf

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Department
Anthropology
Course
ANTH 203
Professor
Michael Bisson
Semester
Winter

Description
The Order Primates Primitives Primates Prosimians (Lémur) Most primitives of all primates Not true monkeys Occur on Madagascar Differences between prosimians and monkeys Sensory P rely more on smell and less on vision than monkeys P touch with the nose rather than the digits P have "whole hand control" (can't move fingers independently) Outside of Madagascar, all P are nocturnal All monkeys are diurnal Family: Tupaiiadae aka Tree shrews Insectivores Small Prey is caught with forepaws Mixture of nails and claws Some zoologists don't consider these to be true primates Similar to ancestral mammals that survived the apocalypse that wiped off dinosaurs Lemurs and indrii Vertical clingers and leapers Social grooming performed with procumbent lower incisors Strong reliance on smells and touch with their nose Not a lot of facial expressions Tarsiers Solitary Most-monkey like because of their cranial anatomy Nocturnal insectivores Anthropoidea Characteristics Color stereoscopic vision Nails only, no claws Excellent hand-eye coordination, touch in digits More convoluted cerebral cortex Muscles in the face for facial expressions Greater reliance on learned behaviours Infraorders Platarrhini New World monkeys e.g. Woolly, Howler Lots are gummivores (eat tree sap) Catarrhini Old World monkeys e.g. Baboons, guenons, colobus Super-Famil
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