What is the role of natural selection in nature and the evolution of the organic world?

1) Natural selection prevents an increase in the number of organisms exponentially.
2) Natural selection has a directional effect.
3) Natural selection preserves the individuals most adapted to environmental conditions

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.