CAS AN 102 Lecture : Primate Groupings.pdf

• School: Boston University
• Department: Anthropology
• Course: CAS AN 102
• Professor: Matt Cartmill

Document Summary

All the mammal ears are built the same way with an external ear, middle ear, and inner ear. Auditory bulla- bony shell around middle ear cavity. But in primates, made of the same inner ear stuff. Implying that they descended from a fruit eater. Primates 2. 1. 4. 3/2. 1. 4. 3 (from 5. 1. 5. 3/4. 1. 5. 3 since earliest placental mammal) Teeth are supposed to meet in front (looks like an underbite) Big brain little snout (but as mammals get bigger, brains do not get exactly the same amount bigger) Daubentonia- ever growing incisors, all claws except big toe.