ANT101H5 Chapter 4: Chapters 4 to 6
Document Summary
Primate order primates share number of ancestral traits with other mammals. Older system: prosimii before monkeys, night time dwellers and tree dwelling, anthropoidea monkeys, apes and humans subdivided, platyrrhini (new world monkeys, catarrhini - cercopithecoidea (old world monkeys) and. Hominoidea (apes: subdivided, poginae (orangutan, hominini (african apes and humans) Derived traits: traits evolved and changed from characteristics in the common ancestor. Primate brain tend to be large and heavy in proportion. Catching insects on trees and able to jump and land safely needed good sense and vision. Binocular vision: vision increased depth perception from two eyes set next to each other allowing visual fields to overlap. Stereoscopic vision: complete 3d vision plus visual connections from each eyes to both sides of brain. Sense of smell haplorhines have least developed sense of smell. Primate dentition www. notesolution. com incisors , canine , premolars, molars new world monkeys 2-1-3-3 humans and old world monkeys and apes share a 2-1-2-3 dental formula.
