Ocean Currents

Front

What causes surface currents?

Back

wind

Front

What causes deep ocean currents?

Back

density differences

Front

Decreasing ocean temperature causes the density of the water to ______.

Back

increase

Front

As plants and animals in the ocean die, the nutrients produced from their decay _____. Options: are recycled by the Global Conveyor Belt, sink to the bottom, are destroyed by sunlight, become coral reefs.

Back

sink to the bottom

Front

Nutrients are brought to the surface for phytoplankton to use at _______.

Back

upwellings

Front

What causes the Coriolis Effect?

Back

Earth's rotation

Front

The __________ is a surface current that flows along the eastern US and brings warm water to Europe.

Back

Gulf Current

Front

There are (is) _______ major gyres in each ocean.

Back

1

Front

Gyres in the southern hemisphere are surface currents that turn _________ due to the Coriolis Effect.

Back

counterclockwise

Front

_______ are the producers of Antarctic food webs. Options: Zooplankton, Phytoplankton, Whales, Upwellings

Back

Phytoplankton