Coral

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many more factors which add to the destruction of the reefs, which if not stopped it will destroy all reefs.
s are animals, not plants, sunlight is the key to their survival. They need it to power the millions of microscopic algae, called zooxanthellae, that live in their tissues. The algae provides the s with food and oxygen in return for raw materials and a secure place to live. This teamwork is what allows the reef to survive in nutrient-poor tropical seas. This relationship is sensitive to such changes in the environment as cloudy waters or extreme temperatures. The stress on the s can cause them to expel their algae, a phenomenon known as bleaching. With the algae gone, the skeleton is visible and eventually it dies. Dead s lead further on to the death of the reef.
There are four environmental factors that effect their growth: temperature, salinity, water depth, and wave action. These factors exposes the reef to changes in the environment very easily especially since ...

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reefs by their drainage and sewage pipes. This is causing a huge problem in coastal tourism which is the world's fastest growing industry, worth over $7billion annually in the Caribbean. Marine Scientists are really worried of how much longer the reef can survive with all these visitors to the reefs.

Global warming and ozone depletion are major contributors to destruction of the earth's coral reefs. Global warming is said to cause the effect of bleaching, as mentioned earlier. This bleaching has just started in the islands of Hawaii. The temperature of the water in Hawaii has said to have rose over a two degrees in just one decade which the scientists think soon will show the ...

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