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14 questions
______ causes surface currents.
The Coriolis Effect
gravity
density differences
wind
______ causes deep ocean currents
The Coriolis Effect
gravity
wind
density differences
Decreasing ocean temperature causes the density of the water to ______.
decrease
increase
stay the same
fluctuate
As plants and animals in the ocean die, the nutrients produced from their decay _____.
are recycled by the Global Conveyor Belt
sink to the bottom
are destroyed by sunlight
become coral reefs
Nutrients are brought to the surface for phytoplankton to use at _______.
gyres
eddies
upwellings
the equator
_______ causes the Coriolis Effect
Earth's rotation
gravity
wind
density
The __________ is a surface current that flows along the eastern US and brings warm water to Europe.
California Current
Gulf Current
North American Gyre
Arctic Current
There are (is) _______ major gyres in each ocean.
1
2
3
4
Gyres in the southern hemisphere are surface currents that turn _________ due to the Coriolis Effect.
clockwise
counterclockwise
toward the right
toward the bottom of the ocean
_______ are the producers of Antarctic food webs.
Zooplankton
Phytoplankton
Whales
Upwellings
_________ food chains support larger ocean animals because _________ water has more nutrients.
Antarctic/warmer
Antarctic/colder
Equatorial/colder
Equatorial/warmer
When looking at a satellite map of eddies, the cold-core eddies are more likely to have ________.
downwellings
upwellings
very few nutrients
very little dissolved oxygen
________ and _______ affect the ocean's density and cause the Global Conveyor Belt to travel
gravity and the Coriolis Effect
temperature and salinity
wind and climate
temperature and the Coriolis Effect
The more scientific name of the Global Conveyor Belt is _____.
halinethermal circulation
thermohaline circulation
thermodensity circulation
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