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Planet Earth: Deep Ocean - Video Questions
(Write in complete Sentences. Write your answers on the back of this worksheet.)
1. What is the largest fish in the ocean? How large is it?
2. Why do the small pilot fish follow the white tip shark?
3. What rises to the surface as the sun goes down?
4. What are the organic particles that drift down from the surface also called?
5. What cannot penetrate deeper into the water?
6. What causes the glow of the vampire squid?
7. What is the flat ocean floor called?
8. What made tracks on the ocean floor?
9. What does the monk fish do to attract food?
10. What large animal fell to the ocean floor when it died and was eaten by scavengers?
11. What is another source of food other than what drifts down from the surface above?
12. How long are the mid-ocean ridges that split bottom of the ocean?
13. How hot are the hydrothermal vents?
14. How long do the fastest growing invertebrates, tube worms grow?
15. How does the Nautilus get around?
16. Where do the fish and squid go as the sun comes up?
17. What are the Butterfly fish doing to the Mola mola fish?
18. How far has the female Green turtle possible traveled to reach the beach to nest?
19. How many Sailfish surround the small school of Bait fish?
20. What percent of living space is in the ocean?
21. What is the largest living organism and how large is it?
22. What does the blue whale feed on? How much does it eat?
Planet Earth: Ocean Deep – Answer Key
1. What is the largest fish in the ocean? How large is it? Whale Shark; 30 tons 12 meters
2. Why do the small pilot fish follow the white tip shark? The shark can sense food better than the fish and they can eat the little bits left by the shark.
3. What rises to the surface as the sun goes down? Plankton
4. What are the organic particles that drift down from the surface also called? marine snow
5. What cannot penetrate deeper into the water? Sunlight
6. What causes the glow of the vampire squid? Bioluminescent bacteria in pockets on the skin of the squid
7. What is the flat ocean floor called? Abyssal plain
8. What made tracks on the ocean floor? Sea urchins
9. What does the monk fish do to attract food? Use a wiggling lure
10. What large animal fell to the ocean floor when it died and was eaten by scavengers? Sperm whale
11. What is another source of food other than what drifts down from the surface above? Hydrothermal vent
12. How long are the mid-ocean ridges that split bottom of the ocean? 45000 miles
13. How hot are the hydrothermal vents? 400°
14. How long do the fastest growing invertebrates, tube worms grow? 3 meters
15. How does the Nautilus get around? Pushes jets of water to propel it.
16. Where do the fish and squid go as the sun comes up? Deeper in the ocean
17. What are the Butterfly fish doing to the Mola mola fish? Plucking off and eating string like parasites growing on the Mola mola fish.
18. How far has the female Green turtle possible traveled to reach the beach to nest? 1000 miles
19. How many Sailfish surround the small school of Bait fish? 100 Sailfish
20. What percent of living space is in the ocean? 90%
21. What is the largest living organism and how large is it? Blue whale; 200 tons
22. What does the blue whale feed on? How much does it eat? Krill; 4 million