Evolutionary changes in humans, Biology

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Evolutionary changes that occurred in humans are -

Development of prominent chin. Increase in cranial capacity. Reduction of brow-ridges.
Development of speech. Development of community life. Reduction in the size of teeth.
Reduction of muscles. Gradual development of thumb opposability. Development of shorter fore limbs.
Liberation of hands for locomotory function. Slow assumption of erect posture.

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