The Nitrogen Cycle Crossword

All organisms need ___________ to build proteins.
The only organisms that can fix atmospheric nitrogen into chemical compouds .
A process in which nitrogen is cycled between the atmosphere, bacteria, and other organisms.
What type of plant does nitrogen-fixing bacteria live on?
What does bacteria use to produce nitrogen-containing compounds such as nitrates?
Where do plants that do not have nitrogen-fixing bacteria in their roots get their nitrogen from?
When animals eat plants or other animals to get nitrogen, that is an example of __________.
In the nitrogen cycle, nitrogen moves between living things and the ______________.
__________ breaks down wastes and return the nitrogen that these wastes contain to the soil.
Nitrogen makes up _______________ percent of the gases in the atmosphere.