Give the biological traits of a person that he acquired during a long evolution.

1) an increase in the brain and brain of the skull;
2) upright posture and corresponding changes in the skeleton;
3) the release and development of the hand, the opposition of the thumb to everyone else.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.