What is the significance of their coexistence in the biogeocenosis for the evolution of species?

Evolution is driven by competition and the struggle for its existence. In the absence of many types of competition, naturally, there would be no, and with it, evolution.

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.