CRF.B 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 Play a Game (which is optional), or to mark the Quiz complete and move on to the next Lesson.

Once you’ve passed the quiz, you can choose the button to play a game, or mark this page complete and go back to the Lesson to find the link to the next material. Don’t worry if you don’t pass the first time – you can take the quiz over again, and you can go back to the Lesson to re-read or double check anything you aren’t sure of before you do.

CRF.B Quiz
What is a polyp? *
Coral are very important to life in the ocean. Approximately what percentage of marine life depends on coral reefs for food and shelter? *
Corals and sea anemones are distant cousins in the phylum Cnidaria – what other species is a distant relative? *
Approximately how much of the ocean floor is covered by coral? *
What does organic mean? *
What does hexa mean? *
What are nematocysts? *
How do zooxanthellae help corals? *
What are tentacles? *
What is algae? *