Coral Reef Formation

Coral reefs form in shallow water that is at a nice warm temperature. Coral forms near land and in the tropics. They are very rich in life. Clown fish and many other organisms can be found here. Coral reefs are very tall and can stretch for miles. The coral is formed by polyps, and when they die they leave behind a stony limestone structure. Only the coral that are hard can form coral. It is very vulnerable to death. If it is kicked, even slightly, it will most likely die. Coral can also die by turning white. There are three types of coral: fringing coral, barrier coral, and coral atolls. Fringing coral forms along continental shelves and coast lines. Barrier coral runs parallel to the shorelines and are separated by lagoon. Coral atolls grow on top of old sunken volcanoes. Coral reefs are a very important ecosystem. They contain a lot of rich resources such as new medicines. They are very delicate and even a slight temperature change can stress them. Chemicals kill them and can block the needed sunlight out. Coral reefs are usually found in bright colors such as: orange, tan, yellow, purple, and green. Coral reefs will be wiped out very shortly so we really need to protect them.

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