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The Great Barrier Reef rests in the Coral Sea off the coast of Queensland, Australia. Roughly the size of Germany, Italy, Japan and Malaysia, the expansive reef stretches at least 1,400 miles and contains more than 900 islands.


The Great Barrier Reef is 1,429 miles long and runs along the coast of northeastern Australia. The Great Barrier Reef Marine Park covers about 132,819 square miles and contains about 3,000 separate coral reefs.


The Great Barrier Reef formed from a long and slow process involving the accumulation of organic materials, such as stone, plants and animals and shells of dead corals. The Great Barrier Reef started forming approximately 20 million years ago. Dead shells from coral, al...


The Great Barrier Reef is important for many reasons. It protects coastlines from the damaging effects of tropical storms and waves, assists in carbon and nitrogen fixing, helps with nutrient recycling, and provides a habitat for a variety of marine organisms, according...


Coral reefs start to form when coral larvae attach to rocks or hard surfaces that are submerged under water. Coral polyps secrete calcium carbonate, closing off each layer as they grow bigger. Each polyp bonds itself to other polyps, eventually forming reef structures.


According to the National Oceanic and Atmospheric Administration, coral reefs are formed when coral larvae attach themselves to rocks or other hard surfaces found under water along the edges of islands and along coasts. Additionally, plants may also accumulate within th...


Coral reefs are important to the biodiversity of Earth. According to the U.S. National Oceanic and Atmospheric Administration, coral reefs house more species than any other marine habitat, making them the equivalent of an underwater rain forest. The life there provides ...