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  • Coral - Wikipedia
    Corals are colonial marine invertebrates within the subphylum Anthozoa of the phylum Cnidaria They typically form compact colonies of many identical individual polyps Coral species include the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton
  • Coral | Definition, Types, Location, Facts | Britannica
    Coral, any of a variety of invertebrate marine organisms of the class Anthozoa that are characterized by skeletons—external or internal—of a stonelike, horny, or leathery consistency
  • Corals Tutorial: What are corals? - NOAAs National Ocean Service
    This tutorial is an overview of the biology of and threats to coral reefs, as well as efforts being made to conserve and protect them It includes images, animations, and videos
  • See the first stunning images of a massive coral reef that has lain . . .
    These incredible corals form what may be one of the world’s largest reef systems—and researchers have a plan to restore it
  • Corals of the World
    Welcome to Corals of the World Information, identification, distribution and taxonomy of reef building corals Find your species Coral Taxonomy
  • Coral: Facts, Conservation, Ecological Importance | IFAW
    Coral organisms are called polyps, which are very small and soft animals related to jellyfish and sea anemones Coral polyps are cylindrical shaped, with a mouth at the end that’s surrounded by barbed, venomous tentacles These tentacles can be used to both gather food and sting potential threats
  • Coral - National Geographic Society
    There are about 6,000 species of coral around the world, with some species growing in warm shallow waters near coastlines and others thriving on the dark, cold seafloor of the open ocean Though coral may look like a colorful plant growing from roots in the seafloor, it is actually an animal
  • Corals and Coral Reefs - Smithsonian Ocean
    Coral reefs are the most diverse of all marine ecosystems They teem with life, with perhaps one-quarter of all ocean species depending on reefs for food and shelter This is a remarkable statistic when you consider that reefs cover just a tiny fraction (less than one percent) of the earth’s surface and less than two percent of the ocean bottom
  • Corals - NOAA Fisheries
    Corals are animals that "take root" on the ocean floor and can live in shallow waters or the deepest ocean canyons They create underwater habitats that support more species than any other marine environment Learn more about corals and what they do





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