Exam 14: Ocean Water and Ocean Life

The_______ zone refers to the area where the land and ocean meet and overlap.

The density of seawater is controlled by_______ .

Which of the following is not a process that removes dissolved components from seawater?

_______ refers to the change in temperature with depth in the ocean.

The dissolved materials in seawater are thought to originate from chemical weathering of rocks on the continents and also from_______ _.

Seaweed large marine algae. grows in shallow coastal regions because _______ .

Marine organisms are influenced by a variety of physical oceanographic factors including_______ .

In tropical regions the surface temperature of the oceans is high but decreases rapidly with depth between 300 and 1000 meters because _______ .

One disadvantage to living near the surface of the ocean is_______ .

Organisms that feed through a food web instead of a food chain are more likely to survive because_______ .

The reason that fishers choose a population that feeds close to the primary producing population is that_______ .

The largest influence on density in oceans is _______ .

On the deep seafloor, organisms are widely distributed _______ .

The total amount of solid material dissolved in water is known as_______ .

The proportion of dissolved substances in seawater is expressed as 0/00, which is the same as_______ .

At high latitudes the thermocline is _______ .

_______ is the most abundant salt found in seawater.

_______ are organisms that swim freely in the ocean.

_______ refers to the total amount of dissolved materials in water.

_______ is the most important factor in the process of photosynthesis.