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Assessment
What is the primary role of marine microorganisms in nutrient cycling?
Decomposing organic material
Producing antibiotics
Filter feeding particulate matter
Photosynthesis in deep-sea vents
Which nutrient cycle is heavily influenced by marine phytoplankton?
Phosphorus cycle
Sulfur cycle
Nitrogen cycle
Carbon cycle
Which process is primarily responsible for the fixation of atmospheric nitrogen in marine environments?
Nitrification
Denitrification
Nitrogen fixation by cyanobacteria
Assimilation by marine plants
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