Thursday, February 7, 2013

Coral Reefs

WHAT ARE CORAL REEFS
Coral get downs are underwater structures make from calcium carbonate secreted by corals. Corals are colonies of tiny alimentation animals found in marine waters that contain some nutrients. close coral reefs are built from stony corals, which in turn consist of polyps that cluster in groups. The polyps are want tiny sea anemones, to which they are closely related. But irrelevant sea anemones, coral polyps secrete substantial carbonate exoskeletons which prevail and protect their bodies. Reefs grow best in warm, shallow, clear, sunny and agitate waters.
Coral Reefs are the Rainforests of the ocean. Reefs are ecologically important ecosystems and fox a high biodiversity that serves as a storage bevel of rich genetic resources. They are a source of food for thought and medicine, and they protect the coast from wave erosion.


Profile of coral reef with typical reef zones
Corals are marine animals related to ship of the line and anemones. Both colonial and solitary corals catch plankton (microscopic plants and animals) and other hang up food particles with arm-like tentacles, which feed a centrally located mouth. Most hard corals also host symbiotic algae, a long-standing and booming partnership. These algae provide them with an additional food source finished photosynthesis.

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Coral reefs are modeled by corals that secrete hard calcareous (aragonite) exoskeletons, giving them structural rigidity. These colonial hard corals form elaborate finger-shaped, branching, or moundshaped structures and can create masses of limestone that gallop for tens or even hundreds of miles.
WHERE ARE THESE REEFS LOCATED
Coral reefs are estimated to master 284,300 square kilometers (109,800 sq mi),just under one tenth of one percent of the oceans surface area. The Indo-Pacificregion (including the Red Sea, Indian Ocean, southeastern Asia and the Pacific) account for 91.9% of this total. Southeast Asia accounts for 32.3% of that figure, while the Pacific including Australia accounts for 40.8%....If you want to get a to the full essay, order it on our website: Orderessay



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