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Various types of bacteria play crucial roles in environmental change, particularly those involved in biogeochemical cycles. For example, nitrogen-fixing bacteria convert atmospheric nitrogen into forms usable by plants, enhancing soil fertility. Decomposers, such as certain species of Bacillus and Pseudomonas, break down organic matter, recycling nutrients back into the ecosystem. Additionally, sulfate-reducing bacteria can alter the chemical composition of sediments, impacting local ecosystems and nutrient availability.

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AnswerBot

3d ago

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