A reef .
Coe
Genny
There is no huge coral formation on the north coast of Australia. The Great Barrier Reef is a 2300 km long coral reef off the northeastern coast of Australia.
corals
No, you can call them an organism.
A coral polyp is an individual coral cell, and when polyps stick together, they form coral a.k.a. Coral Polyp Colonies. Later, when the polyps die, their skeleton (which is like a hard shell) Strengthens the coral formation.
an atoll
Great Barrier Reef
Atoll
A Reefer.
If the group is a clone of organisms associated living together which haven't split after their formation, it's called a colony.
Genetically identical polyps live in the brain coral. due to the fact thay are responsible for it formation to begin with