The Nitrogen Cycle - Introduction Flashcards
1
Q
Why is nitrogen needed by organisms?
A
Nitrogen is needed to make proteins and other biomolecules
2
Q
Why can’t nitrogen gas in the air be used by organisms?
A
Because it is unreactive
3
Q
What is the function of the nitrogen cycel?
A
To take nitrogen from the air and make it available for use by living things
4
Q
What happens to the nitrogen in living things at the end of the cycle?
A
It is converted to nitrogen in the air
