In aquatic plants, mechanical tissues are poorly developed; in an upright state, they are supported by high-density water, and in the air their stems fall due to weak tissues and a lower air density compared to the density of water. The conductive tissues and the root system are also poorly developed, since the minerals in the water are in a dissolved state and are easier to absorb.
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.