Question

what is ment by coral island ?​

Answer 1

Answer:

A coral island is a type of island formed from coral detritus and associated organic material. They occur in tropical and sub-tropical areas, typically as part of coral reefs which have grown to cover a far larger area under the sea.

Some extra info about corals:-

Most corals, like other cnidarians, contain a symbiotic algae called zooxanthellae, within their gastrodermal cells. ... In return, the algae produce oxygen and help the coral to remove wastes. Most importantly, they supply the coral with organic products of photosynthesis.

How are coral islands formed?

Ans)- Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces along the edges of islands or continents. As the corals grow and expand, reefs take on one of three major characteristic structures —fringing, barrier or atoll.

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Answer 2

Answer:

A type of island formed from coral detritus and associated organic material.

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Explanation: