A skilled person was higher than Australopithecus (150 – 170 cm versus 100-150 cm), the brain volume of a skilled person was 500 – 800 cm3, in contrast to 450-550 cm3 in Australopithecus. A skilled man walked freely on two legs, the foot had a vault. The brushes are more perfect, the thumb was contrasted with other fingers, which allowed him to use tools made of stone and bone. Finding skillful tools made of stone at the man’s parking lot allowed him to be considered the ancestor of the Man clan.
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.