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Assessment
What role do microbes play in the nitrogen cycle?
They fix atmospheric nitrogen into usable forms.
They exclusively decompose organic matter.
They increase soil acidity.
They block the uptake of nutrients by plants.
Which of the following is a benefit of microbial diversity in ecosystems?
Increased resilience to environmental changes.
Lower rates of nutrient cycling.
Higher levels of pollution.
Increased competition among species.
Which group of microorganisms is primarily responsible for decomposing organic matter?
Bacteria and fungi.
Viruses.
Protozoa.
Algae.
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