Anthropology #10 - Anthro Lecture#10 Primate Evolution Time...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Anthro Lecture #10: Primate Evolution Major Epochs during Tertiary Period: 1. Paleocene “Primates” Geography and climate Very different from present-day conditions Hotter, more humid Body Size: tiny, shrew-sized to size of small dog (small body= small insects) Niche: Likely solitary, nocturnal quadrupeds; well-developed sense of smell (job) Diet: Used to be classified as primates because of primate-like teeth & limbs that are adapted for arboreal lifestyle When first discovered where thought o be first primates ever, from where we descended , until early 1960’s Recent: Plesiadapids NOT Primates: 1. No postorbital bar 2. Claws instead of nails, (class attached to bone, nails reside in soft tissue bed) - Primitive (similar to early ancestral condition) 3. 4. Enlarged incisors Based on these factors these are NOT Primates Cladistic analysis: Primates may have been around when Dino’s walked the earth controversial 2. It wasn’t as hot as the Paleocene Decline in world temperature When temperatures cool, ice masses cforms: world gets dryer, oceans shrink and plants don’t grow as well Two Main Eocene Primate Families 1) Adapidea Body size: 100g to 6900g Mainly arboreal quadrupeds, some may have been specialized leapers (hind limbs allowing them to jump) Smaller adapids ate mostly fruit & insects, larger forms ate more fruit &
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/05/2011 for the course ANT 100 taught by Professor Uoftstgeorge during the Fall '09 term at University of Toronto.

Page1 / 4

Anthropology #10 - Anthro Lecture#10 Primate Evolution Time...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online