Marine Science Exam 4 (11,13,14,15)
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Increased levels of carbon dioxide in the modern atmosphere are caused by_______.
a. the burning of fossil fuels and deforestation
b. the respiration of increased populations of animals
c. release of carbon dioxide from the oceans to the atmosphere
d. a shift in the pH of the oceans
e. reductions in the plant populations due to the nutrient depletion - CORRECT
ANSWER - a. the burning of fossil fuels and deforestation
Atmospheric carbon dioxide levels have increased from about ____ in 1850 to ____ in the
present day. - CORRECT ANSWER - 280 ppb, 400ppb
Global arming will lead to a rise in mean sea level via ___.
a. thermal expansion of the water
b. increased precipitation
c. melting of polar ice
d. all of the above
e. both A and C - CORRECT ANSWER - D. all of the above
Climate models indicate that global warming will raise temperatures______ latitudes.
a. most in tropical
b. most intemperate
c. most in polar
d. approximately equally at all - CORRECT ANSWER - c. most in polar
,Salt marshes can migrate landward in response to flooding seas, provided that____.
a. the rate of sea level rise does not exceed the rate of vertical accretion of marsh sediment
b. seawalls are in place to protect the marsh - CORRECT ANSWER - a. the rate of sea
level rise does not exceed rate of vertical accretion of marsh sediment
A serious consequence of salt marsh destruction due to the rise of sea level is ___.
a. a greater exposure of the shoreline to storm wave attack
b. deeper landward penetration of storm surge
c. elimination of habitat for fish and shellfish
d. none of the above
e. all of the above - CORRECT ANSWER - e. all of the above
As seawater temperatures rise, the latitudinal range of warm species likely will___.
a. expand
b. contract
c. remain unchanged
d. all of the above
e. none of the above - CORRECT ANSWER - a. expand
Rising seawater temperatures will___.
a. harm all marine organisms
b. benefit all marine organisms
c. harm some marine organisms and benefit others.
d. increase suspetibility of some marine organisms to disease
e. c and d - CORRECT ANSWER - e. c and d
The thermohaline conveyer belt, if stopped by global warming, would result in_____.
a. hypoxia or anoxia of the deep sea
, b. faster warming of sea-surface temperatures
c. mass extinctions of deep-sea fauna
d. more severe winters in Northern Europe
e. all of the above - CORRECT ANSWER - e. all of the above
Decreased salinity and density in the North Atlantic could shut down___.
a. Ekman Transport
b. North Atlantic Deep Water Upwelling
c. North Atlantic Deep Water downwelling
d. Southernly flow of the Arctic Intermediate Water
e. None of the above - CORRECT ANSWER - B. North Atlantic Deep Water Upwelling
As the extent of the sea-ice cover the Arctic Ocean diminishes,___.
a. exploitation of Arctic resources will accelerate
b. ship transportation
c. polar bears will probably go extinct
d. warming will accelerate
e. all of the above - CORRECT ANSWER - e. all of the above
Acidification if the oceans as a consequence of the uptake of atmospheric carbon dioxide will
reduce the ability of ____ to secrete and maintain calcium carbonate shells or skeletons.
a. foraminifera
b. corals
c. seagrasses
d. coccolithophores
e. a,b, and d - CORRECT ANSWER - e. a,b, and d
Coral reefs will be impacted during the 21st century by____.
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Increased levels of carbon dioxide in the modern atmosphere are caused by_______.
a. the burning of fossil fuels and deforestation
b. the respiration of increased populations of animals
c. release of carbon dioxide from the oceans to the atmosphere
d. a shift in the pH of the oceans
e. reductions in the plant populations due to the nutrient depletion - CORRECT
ANSWER - a. the burning of fossil fuels and deforestation
Atmospheric carbon dioxide levels have increased from about ____ in 1850 to ____ in the
present day. - CORRECT ANSWER - 280 ppb, 400ppb
Global arming will lead to a rise in mean sea level via ___.
a. thermal expansion of the water
b. increased precipitation
c. melting of polar ice
d. all of the above
e. both A and C - CORRECT ANSWER - D. all of the above
Climate models indicate that global warming will raise temperatures______ latitudes.
a. most in tropical
b. most intemperate
c. most in polar
d. approximately equally at all - CORRECT ANSWER - c. most in polar
,Salt marshes can migrate landward in response to flooding seas, provided that____.
a. the rate of sea level rise does not exceed the rate of vertical accretion of marsh sediment
b. seawalls are in place to protect the marsh - CORRECT ANSWER - a. the rate of sea
level rise does not exceed rate of vertical accretion of marsh sediment
A serious consequence of salt marsh destruction due to the rise of sea level is ___.
a. a greater exposure of the shoreline to storm wave attack
b. deeper landward penetration of storm surge
c. elimination of habitat for fish and shellfish
d. none of the above
e. all of the above - CORRECT ANSWER - e. all of the above
As seawater temperatures rise, the latitudinal range of warm species likely will___.
a. expand
b. contract
c. remain unchanged
d. all of the above
e. none of the above - CORRECT ANSWER - a. expand
Rising seawater temperatures will___.
a. harm all marine organisms
b. benefit all marine organisms
c. harm some marine organisms and benefit others.
d. increase suspetibility of some marine organisms to disease
e. c and d - CORRECT ANSWER - e. c and d
The thermohaline conveyer belt, if stopped by global warming, would result in_____.
a. hypoxia or anoxia of the deep sea
, b. faster warming of sea-surface temperatures
c. mass extinctions of deep-sea fauna
d. more severe winters in Northern Europe
e. all of the above - CORRECT ANSWER - e. all of the above
Decreased salinity and density in the North Atlantic could shut down___.
a. Ekman Transport
b. North Atlantic Deep Water Upwelling
c. North Atlantic Deep Water downwelling
d. Southernly flow of the Arctic Intermediate Water
e. None of the above - CORRECT ANSWER - B. North Atlantic Deep Water Upwelling
As the extent of the sea-ice cover the Arctic Ocean diminishes,___.
a. exploitation of Arctic resources will accelerate
b. ship transportation
c. polar bears will probably go extinct
d. warming will accelerate
e. all of the above - CORRECT ANSWER - e. all of the above
Acidification if the oceans as a consequence of the uptake of atmospheric carbon dioxide will
reduce the ability of ____ to secrete and maintain calcium carbonate shells or skeletons.
a. foraminifera
b. corals
c. seagrasses
d. coccolithophores
e. a,b, and d - CORRECT ANSWER - e. a,b, and d
Coral reefs will be impacted during the 21st century by____.
