1. Chapter 13 Oceans
Test Review

2. 2. _______ animals live mainly in the oceanic zone.
1. Coral, sponges, and seaweed are all part of the ____________________ group of marine life.
benthos
2. _______ animals live mainly in the oceanic zone.
giant squid

3. 3. _____ could become a volcanic island.
a seamount
4. Plastic trash is dangerous to marine animals because _____.
animals can mistake it for food and choke on it

4. 5. The two major zones in the pelagic environment are _____.
the neritic zone and the oceanic zone
6. An ocean trench _____.
runs parallel to a chain of volcanic islands

5. 8. Scientists use _____ technologies to study the ocean floor.
7. The two major regions of the ocean floor are the continental margin and the _____.
deep-ocean basin
8. Scientists use _____ technologies to study the ocean floor.
sonar and satellite

6. 9. The physical change of liquid water to water vapor is called _____.
evaporation
10. Some oil tankers are being built with two hulls because _____.
it helps prevent oil spills

7. 11. An oil spill from a tanker is an example of _____.
point-source pollution
12. Engineers drill in the ocean floor for _____.
oil and natural gas

8. 14. Tidal energy is generated from the _____.
13. Wave energy is _____.
a clean, renewable resource.
14. Tidal energy is generated from the _____.
natural movement of tides.

9. 15. Marine organisms are grouped by _____.
where they live and how they move
16. The longer it takes sound to return to a ship, _____.
the deeper the ocean floor is in that spot

10. 17. Describe benthos. 18. Describe nekton. 19. Describe plankton.
They live on or in the ocean floor.
18. Describe nekton.
They swim actively in the open ocean.
19. Describe plankton.
Most are microscopic.

11. 21. The ocean’s surface temperatures vary with time of year and _____.
20. The movement of water from ocean to the atmosphere to the land and back to the ocean is called _____.
the water cycle
21. The ocean’s surface temperatures vary with time of year and _____.
latitude

12. 22. Resources cannot be harvested from the ocean _____.
sludge
23. The deep-ocean basin consists of the abyssal plain, mid-ocean ridges, ocean trenches, rift valleys, and _____.
seamounts

13. 24. _____ ecological zones make up the benthic environment.5
25. Benthos live _____.
on or in the ocean floor