Ocean Currents

Front

______ causes surface currents.

Back

wind

Front

______ 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 _____.

Back

sink to the bottom

Front

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

Back

upwellings

Front

_______ 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.

Back

Phytoplankton