Describe Corals?
1. Coral Polyps are short lived microscopic organisms, which live in colonies.
2. They flourish in shallow, mud free and warm waters.
3. They secrete hard rock like substance.
4. The coral secretion and their skeletons from coral deposits in the form of reefs.
5. They are mainly of three kinds- barrier reefs, fringing reef and atolls.
6. The Great Barrier Reef of Australia is good example of the first kind of coral reefs.
7. Atolls are circular or horse shoe shaped coral reefs.
