10 Interesting Fact About The world's coral reefs

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• Coral reefs are the oldest forms of marine life in the world that are still alive today.
• Coral reefs accommodate more than 25% of marine species in the world even though it only covers less than 1% sea level.
• Coral reefs are taken from the basic ingredients of the same calcium carbonate as human teeth and bones.
• Coral reefs can grow up to several centimeters per year and take thousands of years to reach a significant size.
• Coral reefs are very sensitive to changes in temperature, pollution, and changes in sea water pH.
• Coral reefs can be a large economic asset and tourism for countries that have healthy coral reefs.
• Coral reefs can produce natural ingredients such as medicines, cosmetics, and food.
• Coral reefs can help protect the coastline from storms and large waves.
• Coral reefs help produce oxygen needed by living things in the sea and on land.
• Some species of coral reefs can live up to 5000 years.