CRF.B QUIZ Results CRF.B Quiz Results You've finished the quiz, and answered correctly. Your score is . Remember that you must pass with 80% or more to move on to the next section. You can review any questions you might have missed below before retaking the quiz. If you passed with 80% or more, you can go ahead and mark the page complete using the button at the bottom of the page, and keep going! Great work - you've passed with at least 80% and can move on to the next lesson! Sorry - you've scored lower than 80%. Have a look at the questions and correct answers below, and then give the quiz another try. What is a polyp? * A type of coral A type of disease A sea creature Columnar body with a mouth at the top Incorrect! Oh no. Missed that one! The correct answer is: Columnar body with a mouth at the top CORRECT Bingo - You nailed it! Coral are very important to life in the ocean. Approximately what percentage of marine life depends on coral reefs for food and shelter? * 13% 95% 53% 25% Incorrect! Oh no. Missed that one! The correct answer is: 25%. CORRECT Bingo - You nailed it! Corals and sea anemones are distant cousins in the phylum Cnidaria – what other species is a distant relative? * Sea Urchins Jellyfish Starfish Sea Cucumbers Incorrect! Oh no. Missed that one! The correct answer is: Jellyfish. CORRECT Bingo - You nailed it! Approximately how much of the ocean floor is covered by coral? * 10% 1% 32% 73% Incorrect! Oh no. Missed that one! The correct answer is: 1%. CORRECT Bingo - You nailed it! What does organic mean? * The study of rocks Related to living matter The study of animals Really healthy Incorrect! Oh no. Missed that one! The correct answer is: Related to living matter. CORRECT Bingo - You nailed it! What does hexa mean? * Four Five Six Three Incorrect! Oh no. Missed that one! The correct answer is: Six. CORRECT Bingo - You nailed it! What are nematocysts? * A kind of jellyfish Small fish that keep corals clean Stinging cells that allow coral to grab food Part of the reproductive system Incorrect! Oh no. Missed that one! The correct answer is: Stinging cells that allow coral to grab food. CORRECT Bingo - You nailed it! How do zooxanthellae help corals? * They use sunlight to create food for the corals They clump together in colonies that float above corals and protect them from direct sunlight They keep the corals clean by scrubbing off bacteria They capture small fish and feed them to the coral Incorrect! Oh no. Missed that one! The correct answer is: They use sunlight to create food for the corals CORRECT Bingo - You nailed it! What are tentacles? * The immature form of an animal A type of sea creature The slim, flexible limb or appendage of an animal Part of a coral reef Incorrect! Oh no. Missed that one! The correct answer is: The slim, flexible limb or appendage of an animal CORRECT Bingo - You nailed it! What is algae? * An underwater microorganism An invasive fish species Disgusting A simple aquatic plant Incorrect! Oh no. Missed that one! The correct answer is: A simple aquatic plant CORRECT Bingo - You nailed it! Good try! Click the button below to return to the Lesson, review and try the quiz again. Submit Go Back to Lesson Play a Game!