Plants: The limiting factors are the presence of light, which provides energy for photosynthesis, and heat. On land, the distribution boundary is up to a height of 7000 m. In the hydrosphere, to the depth where visible light flows 200-300 m.
Animals: the limiting factor is the presence of oxygen, heat. Distributed over almost the entire thickness of the biosphere, in the hydrosphere are represented by bottom organisms
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.