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Posted 2 months ago
Explain the roles bacteria play in ecosystems.
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Answer from Sia
Posted 2 months ago
Bacteria play crucial roles in ecosystems, including nutrient cycling, decomposition, and symbiotic relationships.
Decomposers: Bacteria break down dead organic matter, recycling nutrients back into the ecosystem. This process is essential for the continuation of life as it ensures the availability of nutrients for other organisms
Nitrogen Fixation: Certain bacteria, such as those in the genus Rhizobium, convert atmospheric nitrogen (N2N_2) into ammonia (NH3NH_3), which plants can use for growth. This process is vital for plant nutrition and soil fertility
Symbiotic Relationships: Bacteria form mutualistic relationships with other organisms. For example, gut bacteria in humans help in digesting food and synthesizing vitamins
Key Concept
Bacteria as decomposers and nutrient cyclers
Bacteria decompose organic matter and recycle nutrients, making them available for other organisms, thus maintaining ecosystem balance.

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