Seed plants originated only in the ground-air environment. The planet’s climate has become cold and arid. This led to the formation of new traits: the appearance of buds, the improvement of organs and tissues, a new way of reproduction by seeds, independent of the presence of water. All this ensured the wide distribution of seed plants in the ground-air environment.
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.