Early Hominid and Homo Evolution: A Deep Dive
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Early Hominid Origins and Evolution
Definition of Hominid
- Bipedal: Walking on two feet.
- Non-honing Dentition: While humans have non-honing chewing, primates such as gorillas have a honing complex, in which their very large canines cut food. The upper canines are sharpened against the lower third premolars.
Skeletal Evidence for Bipedalism
Foramen magnum, pelvis, knees, feet: seven steps, position of the foramen magnum, shape of the spine, shape of the pelvis, length of the leg, valgus knee, longitudinal foot arch, opposable big toe.
Behavioral Advantages of Bipedalism
This helps to identify what species they were because not many can be bipedal.
Pre-Australopithecines (7-5 mya)
Example: "Ardi"
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