As a biological species, man belongs to the Kingdom of Animals.
At the cellular level, this is indicated by the similarity of the structure, chemical composition and vital activity of the cells of the human body with the cells of animals.
Human cells also have a formed nucleus, a general structural plan, and heterotrophic nutrition. At the organismic level, the similarity between humans and vertebrates is confirmed by the general plan of the structure of organs and organ systems, by the similarity of vital processes. At the same time, man is distinguished from all other animals by the presence of consciousness and abstract thinking, a well-developed brain, speech and other features.
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.