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Assessment
What is the primary structure of a coral reef?
Coral polyps
Seaweed
Sand
Fish
Which of the following factors is the most significant threat to coral reefs?
Overfishing
Pollution
Coral bleaching
Coastal development
What role do coral reefs play in marine ecosystems?
They provide habitat for marine life.
They absorb all ocean pollutants.
They serve exclusively as tourist attractions.
They produce fresh water.
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