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Coral reef - Wikipedia A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and jellyfish. NOAA CoRIS - What are Coral Reefs What are Coral Reefs Corals and their Kind. Corals are anthozoans, the largest class of organisms within... From Polyp to Reef. Massive reef structures are formed when each stony coral polyp secretes... Where Reefs Exist. The island of Moorea (French Polynesia) is in a geographic area... The ... 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 earths surface and less than two percent of the ocean bottom.
Coral Reefs By Jason Chin Reviews Discussion Bookclubs Lists
Coral Reefs By Gail Gibbons Reviews Description Amp More Isbn 9780823422784
Coral Reefs By Gail Gibbons Reviews Discussion Bookclubs Lists
Coral Reefs Secret Cities Of The Sea Exhibition Natural History Museum
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