Primatology

Strepsirrhini

Twisted wet nose, retain ancestral traits

Haplorrhini

Simple dry nose, more derived traits

Platyrrhini

Flat nosed, monkeys of central and south america

Catarrhini

down, hooked nose, monkeys of Asia/Africa/Apes/Humans

3 Traits of Strepsirhines

nasal structure

tapetum lucidum

tooth comb

mating system common w sexual dimporphism?

Patrilineal/One male multi female. Baboons

vertical clinging/leaping

hop from branch to branch with legs (galago)

quadreupedalism

walk on all fours (baboon)

Brachiation

swing with long arms (gibbon)

mating system of gibbons

monogamous

reasons for group size?

Food availability

body size

mating structure

nocturnal vs diural