Formulate the law of competitive exclusion (Gause principle).

The ecological niches of co-living species never completely overlap, since the law of competitive exclusion always applies: one species crowds out the other. For example, when the gray and black rat populations coexist, the gray ones gradually replace the black ones.

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.