Science & Nature · 2
What percentage of the world's ocean surface do coral reefs cover?
Answer
About 1%
Coral reefs cover only about 1% of the world's oceans but provide habitat for at least 25% of the world's marine life, making them among Earth's most biodiverse ecosystems.
💡 Did you know?
Coral reefs support over 7,000 species of fish, invertebrates, plants, turtles, birds, and marine mammals, creating an underwater biodiversity hotspot.
Other options people guess
- About 5%
- About 10%
- About 0.2%
Topics
- coral-reefs
- ecosystem
- biodiversity
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