coral reefs form when the calcite skeletons of coral build upon each other.,

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national history museum, london, uk @ Pixabay

A coral reef is a beautiful thing to see. So you may be wondering, how do they form? Coral reefs are created by the calcite skeletons of coral that build upon each other and create an intricate netting of limestone structures. As these structures grow larger, they provide habitat for many different types of marine life such as sea turtles, fish, octopuses and more! In order for the corals to grow, they need a surface on which to attach themselves. This is because coral lacks roots and cannot anchor itself like most other plants do. If there are no surfaces available, then the coral will not be able to survive and build its limestone skeleton. Coral reefs provide those surfaces that allow them the opportunity of growth while providing shelter for other types of marine life as well! coral reef: noun – an area where rocks from ocean floor have been worn down by waves or growing coral organisms into shapes resembling gardens with pools at their bases; also : this type of rock formation adjective – relating to such formations   As seen in The Great Barrier Reef off Queensland in eastern Australia (the world’s

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