Nitrogen is often in short supply in terrestrial ecosystems. Why?

Question

Nitrogen is often in short supply in terrestrial ecosystems. Why? (A) There is very little free nitrogen in the air. (B) Atmospheric nitrogen is primarily in the stratosphere and does not come in contact with terrestrial ecosystems. (C) Atmospheric nitrogen cannot be used by most organisms. It needs to be converted to useful forms by bacteria and cyanobacteria. (D) Nitrogen solubility in water is very low and therefore atmospheric nitrogen enters cells very slowly

Tardigrade Admin · Accepted Answer

Correct answer is (c) Atmospheric nitrogen cannot be used by most organisms. It needs to be converted to useful forms by bacteria and cyanobacteria.

Q. Nitrogen is often in short supply in terrestrial ecosystems. Why?

There is very little free nitrogen in the air.

Atmospheric nitrogen is primarily in the stratosphere and does not come in contact with terrestrial ecosystems.

Atmospheric nitrogen cannot be used by most organisms. It needs to be converted to useful forms by bacteria and cyanobacteria.

Nitrogen solubility in water is very low and therefore atmospheric nitrogen enters cells very slowly

Correct answer is (c) Atmospheric nitrogen cannot be used by most organisms. It needs to be converted to useful forms by bacteria and cyanobacteria.