Great Barrier Reef
Great Barrier Reef
Mar 21, 2016
Great Barrier Reef. the world's largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometers. Ecology. Environmental threats. Crown-of-thorns starfish – one of the biggest threats to the Great Barrier Reef. Tourism. - PowerPoint PPT Presentation
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Great Barrier Reef
• the world's largest coral reef system •composed of over 2,900 individual reefs and 900 islands •stretching for over 2,600 kilometers
Ecology
Environmental threats
Crown-of-thorns starfish – one of the biggest threats to the Great Barrier Reef
Tourism
A Great Barrier Reef ferry
A scuba diver looking at a giant clam on the Great Barrier Reef
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