Low Return of Nutrients in the Pelagic Zone Results in Relatively

question 74

True/False

Low return of nutrients in the pelagic zone results in relatively low primary production in the open ocean when compared to freshwater lake systems.

---

Definitions:

Gases Exchange

The biological process through which oxygen is taken into the body and carbon dioxide is expelled, primarily occurring in the lungs.

Diffusion

The passive movement of molecules or particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute.

Stroke Volume

The amount of blood pumped by the left ventricle of the heart in one contraction.