Corals belong to the phylum

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(C) Corals are marine invertebrates that belong to the phylum $Cnidaria$ (also known as $Coelenterata$).These organisms are characterized by the prese

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Cnidaria

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(C) Corals are marine invertebrates that belong to the phylum $Cnidaria$ (also known as $Coelenterata$).These organisms are characterized by the presence of cnidoblasts or cnidocytes (stinging cells) on their tentacles and body,which are used for anchorage,defense,and capturing prey.Most corals secrete calcium carbonate to form a hard skeleton,which contributes to the formation of coral reefs.

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