Why are there no harmful organisms in nature?

Man divides living organisms into useful and harmful, but in nature such a division does not exist: all types of plants, animals, fungi, bacteria and viruses are necessary for nature. Likewise, biodiversity is important to humans. It must be studied and preserved.



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.