This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Ancestral traits Traits that are derived from a common ancestor and are widespread among a group Derived traits Traits that are characteristics to certain groups or individuals within a population Primates 3 natural groups-prosimians, tarsiers, and anthropoids New World Monkeys South and Central America Platarrhines, arboreal, some have tail, walk with palms down Frugavore, sit up straight while eating Forelimbs are not especially long Old Work Monkeys Catarrhines, most widely distributed-Africa, Southern Asia, Northern Japan Have tails, variety of locomotive patterns, some arboreal, mostly quadrupeds palms down Have ischial callosity Prosimians Most like ancestral Laurus and lemurs Dental formula 2:1:3:3 Modern synthesis...
View Full Document
- Fall '10
- Biological Anthropology