ANP 24 & 25 Flashcards
(20 cards)
- 4.2 to about 1.0 million years ago
- southern ape
- lived in eastern, southern and central Africa
- small bodies, small brained, bipedal apes
- mix of primitive and derived cranio-dental anatomy
Australopithecus
southern ape
Australopithecus
filled a variety of habitat types in eastern, southern and central Africa
Australopithecus
small bodied, small brained and bipedal apes
Australopithecus
Mixed of primitive and derived cranio-dental anatomy (mix of older traits from ancestors and Newley evolved traits
Australopithecus
larger braincase, smaller less projecting face, smaller teeth, larger body and more efficient striding bipedalism
Homo
originated sometime between 2.5 and 3 million years ago
homo
in the 1960s _________ and __________ discovered a nearly 2 million year old juvenile partial skull at Olduval Gorge Tanzania
Louis and Mary Leakey
The skilled human or handy man
Homo habilis
From 1.9 - 1.4 million years ago
Expanded average brain size, smaller jaws, premolar and molar crown sizes, more rounded cranial vaults and less prognathic face
Homo Habilis
From 2.1 - 1.78 million years ago
The two species of early homo seem to be very different in terms of facial anatomy but not size
homo rudolfensis
From 1.8 million - 100,000 years ago
Body and brain size increase and tooth size decrease
Increase in diet quality and larger home range
Cooking
Homo erectus
Somewhat larger brain that earlier members of homo
Smaller teeth
Uniquely shaped skull compared with earlier members of genus Homo
Homo Erectus
A modern human body pals
Larger body size
Homo Erectus
Browridge on the frontal bone (bar-like)
Supraorbital Bone
the back of the parietal
Angular torus
a ridge of bone that runs horizontally across the occipital
Occipital torus
the pentagonal rear view is formed by thickening along sutures such as the _________
sagittal keel
remarkably complete KNM-WT 15000 skeleton
Turkana Boy
