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Coral Reefs: A Quest for Unveiling the Secrets of the Underwater World
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What is the primary organism responsible for building coral reefs?
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A
Coral polyps
💡 Explanation:
Coral polyps, tiny marine invertebrates, are the architects of coral reefs. They secrete a hard exoskeleton made of calcium carbonate, which accumulates over time to form the intricate structures of coral reefs.