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Smithsonian National Museum of Natural History: Sant Oceans Hall
Ver más imágenes para Smithsonian National Museum of Natural History: Sant Oceans Hall
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© 2007 by Karen Carr and Karen Carr Studio, Inc.
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Coral Polyp
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Modern period
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Corals are marine organisms from the class Anthozoa and exist as small sea anemone–like polyps, typically in colonies of many identical individuals. The group includes the important reef builders that are found in tropical oceans, which secrete calcium carbonate to form a hard skeleton.
A coral "head", commonly perceived to be a single organism, is formed from thousands of individual but genetically identical polyps, each polyp only a few millimeters in diameter. Over thousands of generations, the polyps lay down a skeleton that is characteristic of their species. A head of coral grows by asexual reproduction of the individual polyps. Corals also breed sexually by spawning, with corals of the same species releasing gametes simultaneously over a period of one to several nights around a full moon. Learn more!
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Todas las imágenes, derechos reservados, por Karen Carr.
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13 Fleming Tank Road
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