For 10 points, name this marine biome produced mostly by its namesake animal, an example of which is the Great Barrier one off the coast of Australia.
This biome is the subject of a hypothesis confirmed by Harry Ladd. That hypothesis, by Charles Darwin, states that this biome increases to keep up with the sinking of the Earth's crust. Organisms that contribute to this biome's matrix are known as framework builders; those organisms produce calcium carbonate and silica. This biome comprises the inner and outer parts of an atoll. For 10 points, name this marine biome produced mostly by its namesake animal, an example of which is the Great Barrier one off the coast of Australia.
This biome is the subject of a hypothesis confirmed by Harry Ladd.
coral reef