Across
- 5. Produced by the nitrification of nitrite ions
- 7. Production of ammonia from organic ammonium-containing compounds
- 8. Nitrogen gas converted into nitrogen-containing compounds
Down
- 1. Conversion of ammonium ions to nitrate ions
- 2. Release of ammonium-containing molcules by producers and consumers
- 3. Conversion of soil nitrates into gaseous nitrogen
- 4. Passing of ammonium-containing molecules from producers to consumers
- 6. Another name for saprobiotic oraganisms