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Duplicate of Climate Change and Oceans Flashcards | StudBud
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Duplicate of Climate Change and Oceans
Duplicate of Climate Change and Oceans
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1
Which of the following is not an impact of climate change?
Sea level rise
ocean acidification
Arctic plunging
Coral Bleaching
2
The base of the marine food web is..
Photosynthesizers, like algae and seagrass
zooplankton
fish
shrimp and krill
3
What happens when CO2 & other greenhouse gases increase in our atmosphere?
Atmposheric Thickness Increases
Average global temperatures decrease
The Earth's magnetic field changes direction
Average global temperatures increase
4
What does climate change mean?
Climate change is when the moon blocks out the sun
Climate change is the long-term change in weather patterns everywhere
Climate change is when one season changes to another, spring becomes summer
5
If ocean currents are driven by differences in temperature, what effect will a global increase have?
speed up currents
increase windspeed
no effect on currents
slow down or stop currents
6
Ocean regulate temperature by...
convecting heat away from the equator
conducting heat away from the equator
keeping sea level low
pushing cold water to the sea floor
7
Impacts of Climate Change
reduced agriculture and food production
All of the above
More precipitation extremes
Sea level rise
8
upwelling is caused by...
dead whales
costal winds
evaporation
coral reefs
9
90% of marine life exists
where there is both sunlight and nutrients
on the seafloor where the nutrients are
in the midnight zone
in the sunlit zones
10
How does heat from the sun reach Earth?
red and blue
radiation
conduction
convection
11
nutrients get into the marine ecosystem by washing off the land and...
downwelling
sunlight
upwelling
countersurfing
12
Even a small increase in ocean acidity is bad because...
it disrupts animals' ability to store fat.
it makes the water toxics
it prevents organisms from forming shells
it makes the water sour
13
Over time, earth's climate has
largely stayed the same
gotten consistently warmer
gone through several different periods of change
gotten consistently colder
14
Why are greenhouse gases like CO2 & methane important to Earth's climate?
They allow heat from Earth to escape the atmosphere
They trap the Sun's energy so that Earth's surface is warm
15
How does temperature affect ocean habitats?
migrations stop
sea level rise
Corals die from stress
invasive species spread
16
In the middle of the ocean gyres,
very cold temperatures
There is lots of life
very little life
very warm temperatures
17
Which combination of factors most impacts extinction rates?
Size & Rate of Temp change
size of temperature change
CO2 concentration
The type of temperature change
18
Which of the following factors does NOT drive Ocean currents
Ocean Depth
Salinity Differences
Temperature differences
Coriolis Forces and Winds
19
How does increase temperature lead to sea level rise?
slows down ocean currents
Melting land ice adds water to oceans (and sinks land)
Thermal expansion of water
melting sea ice adds water
20
deep ocean currents play the role of...
forming ice burgs
carrying nutrients from the bottom to the surface
bringing salty water further south
providing currents for ships to follow
21
How is the thermohaline conveyor belt driven by changes in both temperature and salinity?
It is driven by the amount of species capable surviving.
It is driven by temperature only.
It is driven by the resulting changes in density of water
It is driven by changes in air pressure.
22
in the ocean, most nutrients end up...
sinking to the bottom
floating near the surface
washing up on shore
evaporating
23
Which of the following Gasses absorb and pass on the most thermal energy?
oxygen
CO2
Argon
nitrogen
24
When carbon dioxide and water vapor absorb infrared radiation
radiation effect
Coriolis effect
mass effect
greenhouse effect
