Coral coral reefs photosynthetic zooxanthellae live

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Unformatted text preview: ce calcereous exoskeleton –  Build-up of this material leads to coral reef formation •  Symbiotic zooanthellae in the only in hermatypic corals –  Not in ahermatypic corals Fig 13.28 Coral Reefs •  Diversity of organisms rivaled only by tropical rainforests •  Hermatypic corals and coralline algae form most coral reefs worldwide à༎Precipitation of CaCO3 helps hold the reef together –  Require warmth, light, and salinity of undiluted sea water –  Limited to shallow waters between 30 degrees north and 30 degrees south latitude –  Photosynthetic zooxanthellae live in their tissues Coral Reefs –  Photosynthetic zooxanthellae live in their tissues Share products of photosynthesis with coral Enhance the precipita+on of CaCO3 Recycle waste Nitrogen and Phosphours for coral Coral Reefs –  Photosynthetic zooxanthellae live in their tissues “Coral Bleaching” increasing ocean temperatures Share products of resulting from global climate change, damages zooxant...
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This document was uploaded on 11/15/2013.

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