What is the role of bacteria in the circulation of substances on Earth?

The circulation of substances on Earth is a set of constantly repeating processes of movement and transformation of substances. All living organisms take part in the cycle. Plants – form organic matter and oxygen, absorb carbon dioxide. Animals – use these organic substances, emit carbon dioxide. Bacteria – decompose complex substances (mineralization of organic compounds) that are used by plants. Therefore, bacteria are an important link in the cycle of substances.



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