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Assessment
What is one of the primary roles of microorganisms in freshwater ecosystems?
Breaking down organic matter
Producing large amounts of oxygen
Competing exclusively with fish
Creating barriers to water flow
Which type of microorganism is most responsible for nitrogen fixation in freshwater environments?
Bacteria
Fungi
Protozoa
Algae
How do microorganisms contribute to the overall health of freshwater ecosystems?
By acting as producers
Through nutrient recycling
By heavily preying on fish
By reducing biodiversity
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