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Coral is the skeletal bone of the living organism, it is made of limestone. So really, it is both bone and stone!

Lime-stone : sedimentary rock which contains mainly calcium carbonate

coral : hard colored skeleton secreted by certain marine polyps

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What are Coral reefs made of .?

Coral reefs are made up of many things. The coral itself produces calcium carbonate which gives structure to the reef. However there is also an algae which produces limestone at the edges of the reef to strengthen it.


What is the difference between coral reef and reef?

A coral reef is a community of organisms that exist in shallower ocean depths. The key component is coral, which often forms the foundation of the reef ecosystem. Coral species may either be photosynthetic or non-photosynthetic, however, the foundational species as well as the predominant majority are often photosynthetic. Most people define a 'reef' as a 'coral reef', but there are however manmade reefs, often called artificial reefs. These reefs are usually made from scrap material such as bridge rubble, or sunken ships. I would also call underwater rock formations that are often inhabited by various marine species a type of reef as well.


How are humans effecting the coral reef?

they effecting the coral they effecting the coral


What is the closest coral reef to the UK?

The closest coral reef to the UK is the Lophelia pertusa reef in the North Sea, specifically in the Norwegian waters off the coast of Scotland. This cold-water coral reef is one of the northernmost reefs in the world.


What types of rock are found in the Great Barrier Reef?

The Great Barrier Reef is primarily composed of coral, which is formed by the accumulation of calcium carbonate skeletons from coral polyps. Additionally, there are some areas where sediments and sandstones can be found.