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