What is the significance of selection in human economic activity?

Selection allows to increase the productivity of plant varieties, animal breeds and microorganism strains; to develop artificial selection systems that contribute to the strengthening and consolidation of signs useful to humans in various organisms; to create varieties and breeds resistant to diseases and climatic conditions; to obtain varieties, breeds and strains suitable for mechanized industrial cultivation and breeding.

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.