Marine Life Mania

15 Points Per Correct Answer - No time limit  

1. When do most coral polyps feed? Any time during the day. At night. At 12 o'clock. They don't feed.

2. Why is black coral valuable to humans? It is edible. It contains an antioxidant that is sold in many parts of Asia. It can be cut and polished and made into jewellery. It can be used as a paint.

3. How many rows of teeth does a Whale shark have? About 60 About 1000 About 100 About 400

4. Up to how long can a Whale shark grow? 4 metres 12 metres 50 metres 30 metres

5. Sea sponges are animals. True False

6. Around how many species of sea sponge have been recorded by scientists? Around 25000 Around 1000 About 8000 Around 100

7. What is the sea cucumber's ultimate defence against predators? It can swim away and hide. It can expel its intestines at them. It can secrete a neurotoxin. It can camouflage itself well.

8. How many legs does a crab have? 6 10 4 16

9. Cone shells have caused human deaths. True False

10. Feather stars are commonly found with between five and two hundred arms. True False