Characteristics of Man

Human Evolution of Class 12

Characteristics of Man

Posses errect posture and bipedal locomotion.

Possess large sized brain.

Humans are less dependent on smell.

Have foramen magnum below the brain box.

Have a prominent chin with a prominent nose.

Have streoscopic vision or three dimensional vision.

Have a long period of post natal growth.

Show longest parental care.

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 forelimbs.

Liberation of hands for locomotory function.

Slow assumption of erect posture.

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