A coral reef is made out of little organisms called coral polyps.
How Are Coral Reefs Made They are made by tiny coral polyps which shoots out eggs and it lands on the sand and it grows onto a coral.
Where Is The Great Barrier Reef The Great Barrier Reef is off the coast of Queensland.
Two Types Of Coral Brain Coral: You may think brain coral is smart, but it’s not. It looks like a brain but it isn’t. Fan Coral: Fan coral are similar to soft coral. However, they attach themselves in mud or sand.