CRF.I Review Quiz

To take the quiz, click on the best answer for each question. You’ll need to finish the quiz with at least an 80% score to move on to the next module. If you score less than 80%, don’t worry — you can take the quiz as many times as you need. You can go back to the Lessons to review the material before you take the quiz again.

You can also return to the Review page to take another quiz or play a game, or go to the Dive Deeper page to explore more in-depth resources.

CRF.I: Review Quiz
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  • Section 2
  • Section 3
  • Section 4
  • Section 5
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What is a result of ocean acidification? *
What is formed when the ocean absorbs carbon dioxide? *
Coral are very important to life in the ocean. Approximately what percentage of marine life depends on coral reefs for food and shelter? *
Lots of marine organisms live around coral reefs, from tiny bacteria to zooxanthellae to crabs and bull sharks and all manner of creatures feeding off each other, sheltering and protecting each other. What is the word that describes this relationship? *
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