OCEAN 102 Exam 1 Questions with All Correct Answers
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Course
OCEAN 102
Institution
OCEAN 102
OCEAN 102 Exam 1 Questions with All Correct Answers
Which of the following statements about NRDC are correct? Select all that apply.
NRDC stands for Natural Resources Defense Council.
NRDC is an international environmental advocacy group.
The President of NRDC is Sigourney Weaver.
N...
OCEAN 102 Exam 1 Questions
with All Correct Answers
Which of the following statements about NRDC are correct? Select all that apply.
NRDC stands for Natural Resources Defense Council.
NRDC is an international environmental advocacy group.
The President of NRDC is Sigourney Weaver.
NRDC is a for-profit company. - Answer-NRDC stands for Natural Resources Defense
Council.
NRDC is an international environmental advocacy group.
Which of the following is NOT considered an essential nutrient for photosynthesis or
phytoplankton growth?
Silicon (Si)
Nitrogen (N)
Phosphorus (P)
Aluminum (Al)
Iron (Fe) - Answer-Aluminum (Al)
What factors control how much gas can be held in a solution? Select all that apply.
Pressure
Salinity
Light
Temperature - Answer-Pressure
Salinity
Temperature
Arctic sea ice provides all of the following ecosystem functions except:
Deflects sunlight due the high reflectivity of ice
Barrier against severe storms
Habitat for large mammals like polar bears
Source of pristine drinking water - Answer-Source of pristine drinking water
Communities of microorganisms can live in small brine pockets within sea ice.
True
False - Answer-t
,All of the following are evidence that melting sea ice is negatively impacting the health
of polar bears except:
Decrease in average size of adult males.
Decrease in cub survival rates.
Increases in the number of polar bear drownings.
Increase in litter size
Increase in number of ice dens abandoned - Answer-Increase in litter size
Inuits use sea ice for all of the following except:
Protection from storms
Travel
Hunting ground
Boats - Answer-boats
The commercial shipping industry would benefit from an ice-free Arctic because the
shipping route between the North Pacific and North Atlantic would be much shorter and
faster.
True
false - Answer-true
Where will light attenuate more rapidly?
Nutrient rich coastal temperate waters
Clear tropical open ocean waters - Answer-Nutrient rich coastal temperate waters
The global ocean is not uniformly a source or sink for atmospheric CO2, but rather
different regions of the ocean vary in whether they act as a local source or sink. What
ocean regions are considered to be sources of CO2 to the atmosphere? Select all that
apply:
Subtropical downwelling gyres
High latitude water formation regions
Equatorial regions
Coastal upwelling zone - Answer-Equatorial regions
Coastal upwelling zone
True or False? If seawater density decreases with depth, the water column is stratified.
True
False - Answer-f
Oxygen concentration in a water column varies with depth. What causes oxygen
concentration to increase at deep depths (below 1,000 m)? Pick the BEST answer.
Photosynthesis & Salinity
Pressure & Temperature
Salinity & Respiration
Photosynthesis & Pressure - Answer-Pressure & Temperature
, The region of the water column where there is sufficient sunlight to carry out
photosynthesis is called?
Euphotic zone
Aphotic zone
Twilight zone
Illuminated zone - Answer-Euphotic zone
The _________ is the region of the water column where density increases rapidly with
water depth. Fill in the blank with the best choice from the list below.
isocline
halocline
pycnocline
thermocline - Answer-pycnocline
What does the term "anthropogenic" mean?
Enhanced effect
Natural in origin
Human-caused
Occurring every decade - Answer-Human caused
Which is an example of natural variability that causes short-term global temperature
averages to vary interannually?
Blizzards
El Nino events
Tornadoes
Hurricanes - Answer-El Nino events
The increased energy in the climate system (heat) is primarily stored in the...
Antarctica
Atmosphere
Ocean
North Pole - Answer-Ocean
Finish the statement - select all that apply: Due to shifts in precipitation patterns, it is
likely that ocean regions traditionally characterized by...
heavy precipitation have become more saline
evaporation have become more saline
evaporation have become less saline
heavy precipitation have become less saline - Answer-evaporation have become more
saline, heavy precipitation have become less saline
The IPCC - "Intergovernmental Panel on Climate Change" - is a scientific
intergovernmental organization sponsored by whom?
The United States federal government
The United Nations
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