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iragen [17]
3 years ago
5

What are reef producing coral called? What is the coral reef composed of? How are they created?

Biology
1 answer:
pantera1 [17]3 years ago
4 0

A coral reef is made of thin layers of calcium carbonate. Coral polyps form a living mat over a calcium carbonate skeleton. Stony corals (or scleractinians) are the corals primarily responsible for laying the foundations of, and building up, reef structures.

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