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Bookmark or Share- Coral Reefs and Corals | Smithsonian OceanOcean Life. Invertebrates. Corals and Coral Reefs. Introduction. The Ocean Portal Team. Reviewed by Nancy Knowlton, Smithsonian NMNH. 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.
- Coral - WikipediaCorals are colonial marine invertebrates within the class 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 - National Geographic Societyplural noun. (singular: alga) diverse group of aquatic organisms, the largest of which are seaweeds. carbohydrate. noun. type of sugar that is an important nutrient for most organisms. conservation. noun. management of a natural resource to prevent exploitation, destruction, or neglect. coral.
- Coral | Definition, Types, Location, & Facts | Britannicacoral, any of a variety of invertebrate marine organisms of the class Anthozoa (phylum Cnidaria) that are characterized by skeletons—external or internal—of a stonelike, horny, or leathery consistency. The term coral is also applied to the skeletons of those animals, particularly to those of the stonelike corals. soft coral.
- Corals | National GeographicMeet the tiny organisms that combine to create the world's great tropical reefs. Find out about the threats that imperil corals worldwide.
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