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  2. Coral reef - Wikipedia

    en.wikipedia.org/wiki/Coral_reef

    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. [1] 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 ...

  3. List of reefs - Wikipedia

    en.wikipedia.org/wiki/List_of_reefs

    The Amazon Reef (also referred to as the Amazonian Reef) is an extensive coral and sponge reef system, located off the coast of French Guiana and northern Brazil. It is one of the largest reef systems in the world known to exist, with scientists estimating its length to be over 600 miles (970 km) long, and covering over 3,600 square miles ...

  4. Weird but True! - Wikipedia

    en.wikipedia.org/wiki/Weird_but_True!

    Using crafting with paper products, [3] the Engelman siblings explore "weird but true" things about a broad-range of subjects, mostly focusing on science. They interview experts and travel to locations such as crime labs, amusement parks, and the Everglades to find answers to their questions and discover weird but true facts, often having their experts share their favorite one.

  5. Scientists discover the world’s largest coral — so big it can ...

    www.aol.com/scientists-discover-world-largest...

    The mega coral was spotted during a scientific expedition launched by the National Geographic Pristine Seas program in October to study ocean health in the Solomon Islands.

  6. Happy Coral Reef Awareness Week! What you need to know ... - AOL

    www.aol.com/happy-coral-reef-awareness-week...

    Florida's Coral Reef is the only coral reef system in the continental United States and the third-largest barrier reef ecosystem in the world.. Stretching nearly 350 miles from Dry Tortugas ...

  7. Built for the Kill - Wikipedia

    en.wikipedia.org/wiki/Built_For_The_Kill

    Built for the Kill ' s classic opening was a montage of creatures featured in the first 7 episodes (Desert, Coral Reef, Rainforest, Grassland, Miniature, Swamp and Ocean) with a catchy theme song. This opening was changed further into the series to one that shows the National Geographic logo in various parts. The theme song stayed the same however.

  8. Cay - Wikipedia

    en.wikipedia.org/wiki/Cay

    Heron Island, Australia. A cay (/ ˈ k iː, ˈ k eɪ / KEE), also spelled caye or key, is a small, low-elevation, sandy island on the surface of a coral reef.Cays occur in tropical environments throughout the Pacific, Atlantic, and Indian oceans, including in the Caribbean and on the Great Barrier Reef and Belize Barrier Reef.

  9. Corallivore - Wikipedia

    en.wikipedia.org/wiki/Corallivore

    Yellow longnose butterflyfish browsing on coral polyps. A corallivore is an animal that feeds on coral. Corallivores are an important group of reef organism because they can influence coral abundance, distribution, and community structure. Corallivores feed on coral using a variety of unique adaptations and strategies.