Quiz Coral

6. Corals evict their algae because a. the algae is too heavy b. they are stressed c. they like to be clean

5. Corals get their colours from a. algae b. sun c. the fish that live in them

7. Coral is made from the skeletons of a. fish b. crabs c. polyps

3. Corals cover the ocean floor by approximately a. 1% b. 5% c. 7%

8. Coral is important because a. tourists like to snorkel there b. young fish hide in it c. people can eat it

4. Coral reefs are home to a. most sea creatures b. a quarter of sea creatures c. half of sea creatures

2. The polyps’ mouths are covered in a. teeth b. taste buds c. tentacles

1. Corals grow in a. lakes b. oceans c. rivers