View source for Coral reef

{{
Definition|title= Coral reef
|definition= A massive, wave-resistant structure, built largely by coral, and consisting of skeletal and chemically precipitated material.  Skeletal formation depends on the activity of symbiotic algae and zooxanthellae.<ref name="Allaby">Allaby M. (1998). ''Dictionary of Ecology'' (2nd Ed). Oxford University Press: Oxford, (England). 440pp.</ref>.}}

"Coral reefs/tropical oceans" is one of the habitat sub-categories within the section dealing with [[Theme 7 Biodiversity of coastal and marine habitats and ecosystems|biodiversity of coastal and marine habitats and ecosystems]]. 

==References==
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