Unit Exam 3 Student Ready (1)
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Dec 6, 2023
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Unit 3 Exam
Chapter 16:
Marine and Coastal Systems and Resources
1.
The ocean connects most bodies of water and receives the runoff from most rivers including
sediments and pollutants.
True or False
2.
Which of the following surface ocean water areas exhibit higher salinity?
A.
those around the equator
B.
those with higher evaporation rates than precipitation
C.
those close to inland river outlets
D.
those with higher precipitation rates than evaporation
3.
Which of the following contributes to the ocean's salinity?
A.
The evaporation of water leaving salts behind to accumulate in the ocean basin.
B.
Runoff of salts from weathered rocks down rivers.
C.
Wind blowing salts from land out to sea.
D.
All of the above
4.
Which of the following is true of surface ocean waters?
A.
It is typically colder due to the inability of solar radiation to penetrate those depths.
B.
These waters are more dense due to their temperature and the higher concentration of salt.
C.
These waters are sluggish, and are unaffected by winds or storms.
D.
These waters help moderate Earth's climate by absorbing heat from the atmosphere.
5.
Which of the following is true?
A.
The atmosphere (air) has a higher heat capacity than water.
B.
Ocean temperatures are typically more stable, fluctuating less than land temperatures.
C.
Pressure in ocean waters increases as you move up the water column.
D.
Waters in the pycnocline zone exhibit larger temperate swings than surface waters.
6.
Which of the following describes upwelling?
A.
Where nutrients and cold water are drawn from the depths.
B.
Where horizontal currents diverge from one another.
C.
A type of vertical current.
D.
All of the above
7.
Which of the following results in the sinking of oxygen and carbon dioxide to the depths?
A.
upwelling
B.
heat absorption
C.
downwelling
D.
trawling
8.
The slowing of the North Atlantic Deep Water Current is resulting in ____________.
A.
Increased downwelling
B.
warmer climate temperatures in Europe
C.
Increased salinity
D.
Less carbon dioxide being sent to the depths
9.
In a dead zone, oxygen levels in the ocean water increase.
True or False
10.
Where can the most biodiversity and productivity of oceans be found?
A.
close to river inlets
B.
alone continental shelves
C.
upwelling areas
D.
All of the above
11.
The zone known for supporting the producers of the ocean with solar energy providing for the most
biodiversity and overall productivity is the ___________.
A.
supratidal zone
B.
photic zone
C.
pelagic zone
D.
benthic zone
12.
What protist do corals maintain a symbiotic relation with, and in doing so provides habitat, food,
and shelter to many other aquatic organisms?
A.
sea anenomes
B.
cnidarians
C.
zooxanthellae
D.
polyps
13.
Which of the following marine and/or coastal systems provide shelter for inland species against
storm surges, and their protection results in protection of human life and homes as well?
A.
kelp forests
B.
coral reefs
C. estuaries
D.
salt marshes and mangrove forests
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