The value of coelenterates in nature and human life.

1. Participate in the cycle of substances
2. Form a symbiosis
3. Habitat for many organisms (corals)
4. Form the terrain (corals)

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.