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Assessment
What is the primary role of coral reefs in marine ecosystems?
Providing habitat and shelter for many marine species
Producing large amounts of oxygen
Regulating ocean currents
Filtering pollutants from water
Which factor is most detrimental to coral health?
Increased sea temperature
High salinity levels
Low light conditions
Regular rainfall
What is the main source of energy for coral reefs?
Symbiotic algae called zooxanthellae
Plankton in the water
Nutrients from sediment
Sunlight directly absorbed by coral tissues
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