Homo habilis Flashcards
1
Q
What was the estimated size of the Homo habilis brain?
A
610cm^3.
2
Q
When did the Homo habilis exist?
A
2.5 to 2.3 million years ago.
3
Q
Where did the Homo habilis exist?
A
Eastern and southern Africa.
4
Q
What was the height of a female Homo habilis?
A
110 cm.
5
Q
What was the height of a male Homo habilis?
A
130 cm.
6
Q
What are the 6 key cranial features of the Homo habilis?
A
- Smaller face.
- Smaller brow ridges,.
- Central foramen magnum.
- Moderately prognathic jaw.
- Smaller molars and premolars.
- No dental arcade.
7
Q
What are the 3 key post cranial features of the Homo habilis?
A
- Long arms and short legs.
- Slightly curved fingers indicating strong power grip.
- Able to form precision grip.
