What is the role of destroyer organisms in the great cycle of substances?

Destroyer organisms keep balance in the food chain and in the great cycle of substances. Without these organisms, there would be an overabundance of other substances, and they could not simply exist normally.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.