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Jul 16, 2008
Facts About Coral Reefs

Do you know how many people rely on coral reefs for their jobs and livelihoods?
What about the importance of coral reefs and the roles they play as natural barriers?
Can coral reefs play a role in helping us heal bones and fight diseases?
Find out the answers to these questions and more as you check out these interesting coral facts! And when you think that you know all there is to know about coral reefs...
Test your knowledge with our coral reef quiz.

Fact: Coral reefs are among the oldest ecosystems on Earth.

Fact: Coral reefs are the largest living structure on the planet.

Fact: Although coral reefs cover less than 1% of the Earth’s surface, they are home to 25% of all marine fish species.

Fact: 500 million people rely on coral reefs for their food and livelihoods. 

Fact: Coral reefs form natural barriers that protect nearby shorelines from the eroding forces of the sea, thereby protecting coastal dwellings, agricultural land and beaches.

Fact: Without the existence of coral reefs, parts of Florida would be under water.

Fact: Coral reefs have been used in the treatment of cancer, HIV, cardiovascular diseases and ulcers.

Fact: Corals' porous limestone skeletons have been used for human bone grafts.

Fact: It is estimated that coral reefs provide $375 billion per year around the world in goods and services.

Fact: If the present rate of destruction continues, 70% of the world's coral reefs will be destroyed by the year 2050.

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Posted: Jul 16, 2008 10:40pm


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Jenny Dooley
, 3, 2 children
Eastlakes, SW, Australia
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