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地理漫步·世界地理英语30篇(9)

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Coral Reefs Are Ocean Cities

Coral Reefs Are Ocean Cities

珊瑚礁:海洋中的城市

  1. Coral reefs grow in warm, shallow, clear ocean waters.
  2. Tiny animals called polyps build hard skeletons over centuries.
  3. These structures host more species than any other marine habitat.
  4. Reefs protect coastlines by breaking wave energy.
  5. Overfishing and warming seas threaten reef health badly.
  6. They support fishing and tourism for millions of people.
  7. Reefs form near continents, islands, and atolls globally.
  8. Like cities, they need clean water, space, and balance.
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