Actinobacteria sp. are organisms called chemoorganohetereotrophs. They do not use oxygen to breathe. They break down organic material and convert it to inorganic material.Which part of the carbon cycle does this describe?

These organisms break down organic material and convert it into inorganic material. In the carbon cycle, that process is decomposition. Photosynthesis takes in carbon dioxide to make organic matter, while assimilation is the incorporation of nutrients into organisms.

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