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Assessment
What is the primary function of coral reefs in marine ecosystems?
To provide habitat for diverse marine life
To produce oil
To filter freshwater
To absorb carbon dioxide
Which of the following factors is a major threat to coral reefs?
Climate change
Increased biodiversity
Natural weathering
Deep-sea fishing
What is the relationship between corals and zooxanthellae?
Symbiotic relationship
Predatory relationship
Competitive relationship
Parasitic relationship
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