What’s one direct economic disadvantage to the condition shown in the image?

Reduced fish catches off the coast of Equador.

Which of the following is correct based on your knowledge of the event in the image?

Surface currents in the tropical pacific increase.

Which of the following does not negatively impact coral reef health?

Increase in filter feeders reducing high surface concentration of algae.

What is the number one issue associated with plastic pollution in the Great Pacific Garbage Patch?

It is incorporated into the food web and biomagnifies.

Look at the graph provided. Which of the following ISN’T true?

The fishermen will begin to fish up the food chain

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APES Marine Resources

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Questions 23

Answers

1
What is one economic impact of coral bleaching?
Loss of biodiversity
Loss of habitat
Reduction of ecotourism
Loss of primary productivity
2
The thermohaline circulation depends the most on ....
CO2 absorption rates
Sea surface temperatures
Wind at the surface level
Density of water at greater depths
3
Marine ecosystem with the most frequent fluctuations in abiotic factors.
Hydrothermal vents
Estuary
Open ocean
Coral reef
4
Which is not true about coral bleaching?
It is the first step to coral death.
It is when the Zooxanthalle abandon coral polyps
It is caused by changes in pH
It causes most of fish living there to abandon the reef.
5
Which of the following is a disadvantage to ocean uptake of CO2?
Helps reduce the effects of human enhanced climate change.
Acts as a carbon sink and helps offset human fossil fuel emissions.
Creates H2CO3
Provides a source of carbon to fuel GPP.
6
What’s one direct economic disadvantage to the condition shown in the image?
Soil salinization in Australia.
Reduced fish catches off the coast of Equador.
Increased soil erosion due to flooding in the southern USA.
Cora bleaching in Hawaii.
7
Which of the following is correct based on your knowledge of the event in the image?
Fisheries in Peru crash as fish flee the area.
Excessive flooding in the southern USA.
Surface currents in the tropical pacific increase.
Drought in Australia.
8
What is considered the “other carbon problem”?
Ocean acidification
Increased cattle production
Climate change
Dependency on nonrenewable resources
9
Which of the following would have the least effect on the thermohaline conveyer belt?
Rising sea surface temperatures
Increased trade winds
Increased glaciers melting
Increased evaporation at the equator
10
Where would you find the most diverse marine ecosystems?
Along the sea floor
Open ocean/surface water
Deep ocean
Coastal areas
11
Which of the following does not negatively impact coral reef health?
Increasing sea surface temperatures over a short period of time.
Increased erosion on shore dumping sediments into the coastal waters.
Increase in filter feeders reducing high surface concentration of algae.
Uptake of CO2 by the ocean creating carbonic acid.
12
Which of the following is a point source pollutant?
The Exxon Valdez Oil Spill
Increased turbidity from coastal development
The great pacific garbage patch
Nutrient pollution in the Gulf of Mexico
13
The zone where there is a drastic transition in salt concentration in ocean depth.
Pycnocline
Salinocline
Halocline
Thermocline
14
Net productivity decreases as
Respiration increases
Gross primary productivity increases
Respiration remains stable
Gross primary productivity remains stable
15
What marine ecosystem has the most biodiversity and is also most sensitive to change?
Hydrothermal vents
Open oceans
Estuaries
Coral reefs
16
Which of the following is NOT a way to manage fisheries?
Industrial fishing
MPAs
Ecosystem management
Maximum sustainable yield
17
What wind cell is responsible for rain at the equator and deserts at 30 degrees latitude?
Polar
Hadley
Ferrel
Doldrums
18
Layer of the ocean with the most primary productivity?
Open ocean (0-200m)
Coastal waters
Ocean floor
Deep water (200m+)
19
Which of the following is a characteristic of an El Niño event?
Colder than average sea surface temperatures.
Decreased upwelling.
Increased intensity of trade winds.
Drought in the southern USA.
20
What is the number one issue associated with plastic pollution in the Great Pacific Garbage Patch?
It is incorporated into the food web and biomagnifies.
It blocks photosynthesizers from accessing sunlight at the ocean surface.
It reduces fishery catches by clogging up drift nets.
The breakdown of plastics release toxic chemicals that poison fish.
21
Which of the following oil spill remediation options is least effective?
Floating booms
Skimmer boats
Phytoremediation
Genetically engineered bacteria
22
What unsustainable fishing practice is depicted in the image?
Factory ships
Long lines
Trawling
Drift nets
23
Look at the graph provided. Which of the following ISN’T true?
A MPA or marine reserve may be established to help the stock recover.
There will be a decrease in the sardines natural predators in response.
The fishermen will begin to fish up the food chain
The fishery has surpassed the maximum sustainable yield (MSY).

APES Marine Resources Flashcards | StudBud