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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
- CORAL Definition Meaning - Merriam-Webster
The meaning of CORAL is the calcareous or horny skeletal deposit produced by anthozoan or rarely hydrozoan polyps; especially : a richly red precious coral secreted by a gorgonian (genus Corallium)
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- 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
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- Coral Reefs 101 | National Geographic - YouTube
What are coral reefs? Coral can be found in tropical ocean waters around the world But how much do you know about reefs and the tiny animals—polyps—that build them?
- What is a Coral Reef? - NASA
A coral reef is a term used to describe the collective structure of hard corals that help shape a coral reef ecosystem “A coral reef is a reef whose main structure is made by living organisms, in this case corals,” said Torres-Pérez
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