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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
- Coral reef - Wikipedia
Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and jellyfish Unlike sea anemones, corals secrete hard carbonate exoskeletons that support and protect the coral Most reefs grow best in warm, shallow, clear, sunny, and agitated water
- 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)
- Explainer: What are corals? - Science News Explores
Though they can look like rocks or plants, corals are animals Most are made up of colonies of individuals called polyps
- 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?
- 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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