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The peak of evolution? 2.0 (5)

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Raquel Martínez

on 2 October 2014

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Transcript of The peak of evolution? 2.0 (5)

The peak of evolution? 2.0
small front teeth (canines and incisors)
very large molars relative to other primate species
large molars may be an adaptation to a diet based on relatively hard vegetable foods such as nuts, berries, and grains that were abundant in the grasslands.)
bipedalism: involving numerous anatomical adaptations
fully erect stance and walk
shortening of the arms relative to the legs,
restructuring of the pelvic bones
restructuring of the foot involving the loss of toe opposability

Increased manual dexterity
Lengthening of the thumb
increase in brain size especially in the frontal lobes


reduction in the musculature and bone mass of the skull and face involving a flattening of the muzzle area.
Derived Hominid characteristcs
how we came to differ from other primates
adaptation to a special habitat
departure from the dense forests
including our closest relatives: the gorilla, chimpanzee, and bonobo.
development of technologies
development of cultural modes of behaviour
transformed the environments and contexts in which we survived and developed.
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