At the bottom of the ocean's food chain are ___________.

The region of the ocean most affected by tides and waves is the _____________.

The movement of cold, nutrient-rich water from the deep ocean to the area of warm surface water is called a(n) ________________.

Upwellings mainly provide _____________ to _____________.

Threats to living ocean resources include:

Part of Earth's surface that is covered with water is referred to as a(n)

As you descend deeper into the ocean, temperature ____________.

As you descend deeper into the ocean, density _____________.

As you descend deeper into the ocean, pressure _____________.

As you descend deeper into the ocean, the amount of sunlight _____________.

In the deep ocean, the base (bottom) of the food chain is

Option a. is a steep slope between the continental shelf and the abyssal plain. Option a. is a ______________.

Option b. is a mountain range in the water. Option b. is a _______________.

Option c. is a gentle slope near the shore. Option c. is a ____________.

Option d. is a flat and muddy area of the ocean floor. Option d. is a(n) ____________.

Option e. is a V-shaped valley found deep in the ocean. Option e. is a(n) ____________.

Salinity is a measure of dissolved __________ in ocean water.