Biodiversity · Botany

Which ecosystem is often referred to as the 'Rainforest of the Sea' due to its incredibly high biodiversity?

  1. Deep-sea hydrothermal vents
  2. Coral reefs
  3. Abyssal plains
  4. Mangrove forests
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Correct answer: Coral reefs

Coral reefs occupy less than 0.1% of the world's ocean surface yet provide a home for at least 25% of all marine species. They are vital for biodiversity, coastal protection, and the livelihoods of millions of people.

Difficulty: Medium Question 11 of 20

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