Ocean Review copy

Front

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

Back

increase

Front

Two types of water currents are

Back

surface and deep

Front

What is the measure of how salty the ocean's water is?

Back

salinity

Front

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

Back

upwellings

Front

Which layer of the ocean is directly affected by sunlight?

Back

Epipelagic

Front

Where do warm currents originate from?

Back

the Equator

Front

Compared with surface currents, deep currents are

Back

colder and denser.

Front

The surface of the Earth is covered by ___ % salt water.

Back

71

Front

The Earth's surface is covered by ___ % of saltwater.

Back

71

Front

The number of organisms increase as the ocean depth decreases.

Back

False