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The active agent in coral formation is a small animal called a polyp. The coral you see is a protective shell (like clam's shell) the polyp makes from calcium carbonate which the polyp extracts from seawater. As each tiny polyp dies its calcium carbonate shell is covered over by succeeding generations of polyps and their calcium carbonate homes.
What else can I help you with?
Is a coral reef formed by animal or mineral or both?
coral reefs are formed from mineral.
How are coral islands?
Coral islands are formed by water going through sandy soil when it goes at the bottom the coral island is formed.
Were the Bahamas formed by coral?
Yes, the Bahamas were formed by coral reefs that have accumulated over thousands of years. The islands are composed of limestone rock formed from the skeletons of coral polyps and other marine organisms.
How were the Maldives formed?
The Maldives are an archipelago made up of coral islands. They were formed by the gradual build up of coral.
Do flatworms form coral reef?
No. The coral reef is formed by polyps.
How low island is formed?
Low islands are formed by a coral.
How was the reefs formed?
coral reefs were formed by the calcium of skeletons
What are Some Caribbean islands are coral islands formed by?
2 coral island
Define coral reef?
A ridge of rock in the sea formed by the growth and deposit of coral.
What is a good sentence for coral?
It takes a long time for a coral reef to be formed. I don't have much appreciation for that coral necklace.
How is a low island formed?
A low island is typically formed by the buildup of coral reefs or by volcanic activity. Coral atolls are formed by the growth of coral reefs on the rim of submerged volcanic islands. Volcanic low islands are created by the eruption of underwater volcanoes, with the accumulated lava and ash forming the island over time.
What are formed by dead oceans organisms?
Coral
