Log inSign up

coral reef

coral reef
an underwater structure of calcium carbonate built by marine organisms in shallow tropical waters
Rising ocean temperatures cause coral reef bleaching, threatening marine biodiversity worldwide.
From Lesson 2:Earth & Environmental Sciences·TOEFL Academic Vocabulary

Note

Rising ocean temperatures cause coral reef bleaching, threatening marine biodiversity worldwide.

Learn coral reef and more in TOEFL Academic Vocabulary

All course content and exercises are completely free — no paywalls, no trial periods.

  • ✓ Practice with interactive exercises
  • ✓ Track your progress with spaced repetition
  • ✓ Learn at your own pace — completely free
Start learning TOEFL Academic Vocabulary freeBrowse the full course