As a result of the interaction of evolutionary factors – hereditary variability and natural selection, extremely highly developed forms of life, such as the human body, appeared. Its formation began at a certain stage of evolution and was crowned with the emergence of a special species of Homo sapiens. It was under the influence of the processes of microevolution that the races of man were formed; skin tone, height, eye and hair color, eye shape.
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.