What are the main structural components of biogeocenosis that ensure the circulation of substances in nature, and indicate their functions.

1) Producers – organisms that produce organic matter from inorganic (plants, cyanobacteria).
2) Consumers – consumers of finished organic matter (herbivorous, omnivorous, carnivorous animals).
3) Reducers – organisms that mineralize organic substances (fungi, bacteria).
4) Inanimate components – solar energy, soil, water, atmosphere (energy source, living environment, carriers of matter)

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