Nitrogen Is Often in Short Supply in Terrestrial Ecosystems Because

question 21

Multiple Choice

Nitrogen is often in short supply in terrestrial ecosystems because

• A) there is very little free nitrogen in the air.
• B) atmospheric nitrogen exists primarily in the stratosphere and does not come into contact with terrestrial ecosystems.
• C) atmospheric nitrogen cannot be used by most organisms.
• D) nitrogen solubility in water is very low, and therefore aquatic nitrogen enters cells very slowly.
• E) atmospheric nitrogen varies widely from location to location, and local shortages occur frequently.

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Definitions:

Cellular Processes

Biological activities and mechanisms that occur within living cells to sustain life and promote growth and function.

Living Tissue

Biological material consisting of cells and extracellular components that perform specific functions in the body.

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A chronic medical condition characterized by elevated blood pressure, which increases the risk of heart disease, stroke, and other health issues.

Autoimmune Reaction

A response of the immune system where it mistakenly attacks the body's own tissues, mistaking them for harmful pathogens.