1) long duration of ontogenesis, because in the course of the individual development of the organism, some cells are replaced by others
2) a larger number of offspring, since the organism can allocate more cells for reproduction;
3) large size and varied body structure, which provides greater resistance to external environmental factors due to the stability of the internal environment of the body
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.