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Subject Item
dbpedia:Coral_reef
rdfs:comment
Coral reefs are diverse underwater ecosystems held together by calcium carbonate structures secreted by corals. Coral reefs are built by colonies of tiny animals found in marine waters that contain few nutrients. Most coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups. The polyps belong to a group of animals known as Cnidaria, which also includes sea anemones and jellyfish.
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dbpedia:List_of_reefs dbpedia:Coral dbpedia:Aquaculture_of_coral dbpedia:Fringing_reef
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