The food chains of natural biogeocenoses include producers, consumers and reducers. What role do organisms of these groups play in the circulation of substances and the conversion of energy?
1) Producers – produce organic matter from inorganic substances during photosynthesis or chemosynthesis. They contain the energy necessary for the life of other organisms. These include plants, blue-green bacteria, and chemosynthetic bacteria.
2) Consumptions – they consume ready-made organic substances, but do not bring them to mineralization.
3) Reducers – during the course of their life they turn organic residues into minerals and close the cycle of substances. They use the energy released during this process for life.
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