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Ocean Floor And Habitats
Test Description: Review game for the ocean floor and habitats test.
Instructions: Answer all questions to get your test result.
1) The organism that forms the base of most ocean food webs are
A
phytoplankton
B
delp
C
krill
D
coral
2) The zone of the ocean that extends from the low-tide line to the edge of the continental shelf is the
A
deep zone
B
intertidal zone
C
neritic zone
D
open ocean zone
3) Which of the following organisms would be considered a nekton?
A
dolphin
B
clam
C
phytoplankton
D
lobster
4) Where are hydrothermal vents located?
A
on the continental shelf
B
on the continental slope
C
near the mid-ocean ridge
D
at the bottom of trenches
5) The process where the ocean floor separates and magma from the Earth's mantle rises to create new ocean floor is called
A
ocean drift
B
magma upwelling
C
seafloor spreading
D
seafloor renewal
6) A technique that uses sound waves to measure the depth of the ocean is
A
dredging
B
uv reflection
C
radar
D
sonar
7) Which below is NOT a reason humans have difficulty exploring the ocean floor?
A
the lack of sunlight
B
the pollution
C
the extreme pressure
D
the cold temperatures
8) What would you use if you wanted to explore the hydrothermal vents?
A
buoys
B
submersible (HOV)
C
sonar
D
remotely operated vehicle (ROV)
9) What would you use if you wanted to map the mid-ocean ridges?
A
buoys
B
submersibles (HOV)
C
drilling
D
sonar
10) What would you use if you wanted to know the water temperature and air pressure off the coast of Myrtle Beach?
A
remotely operated vehicle (ROV)
B
buoys
C
drilling
D
sonar
11) Why do most organisms live on the continental shelf?
A
Sunlight can penetrate through to the bottom, so there are a lot of phytoplankton living there.
B
Because the tides and currents make it difficult to swim out to the deep ocean.
C
It is the deepest part of the ocean, so there is a lot of space to live.
D
It has brackish water, so both salt and fresh water organisms can live there.
12) What would you use if you wanted to map the distribution of phytoplankton in the Pacific Ocean?
A
sonar
B
satellites
C
submersibles (HOV)
D
buoys
13) hich below is a direct way to get information about the ocean.
A
submersibles (HOV)
B
sonar
C
remotely operated vehicles (ROV)
D
buoys
14) What term is given to organisms which live on the ocean floor?
A
Benthos
B
Plankton
C
Nekton
D
Abyssial Plains
15) Where would you expect to find coral reefs?
A
the open ocean
B
the deep zone
C
the intertidal zone
D
the neritic zone
16) Why is upwelling important?
A
It takes phytoplankton from the surface of the ocean to the bottom.
B
It allows pollutants to be destroyed
C
It brings nutrients from the bottom of the ocean to the surface.
D
It releases oxygen for aquatic organisms to use.
17) What is the process called in which winds blow the surface of the ocean out and colder water from the bottom comes up to replace the surface water.
A
upwelling
B
water recirculation
C
down drafting
D
eutrophication
18) Organisms which live near the ocean surface and are carried by ocean currents are called
A
plankton
B
nekton
C
sessile
D
benthos
*select an answer for all questions
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