Chapter 02 - Physiography of India
Chapter 02 - Physiography of India
Chapter 02 - Physiography of India
Corals
Coral polyps are short lived microscopic organisms, which live in
colonies.
They flourish in shallow, mud free and warm waters.
They secrete calcium carbonate.
The coral secretion and their skeletons from coral deposits in the
form of reefs
There are mainly three kinds of reefs - Barrier Reef, Fringing Reef
and Atolls.
Australia has the largest barrier reef called - The Great Barrier
Reef.
Atolls are circular or horseshoe shaped coral reefs.