nitrogen cycle
Updated: 2/18/2021
nitrogen cycle

Storyboard Text

  • most organisms can use nitrogen only once it has been fixed or combined with other elements to form nitrogen-containing compounds.
  • nitrogen cycle
  • in the nitrogen cycle, free nitrogen from the air is fixed into compounds
  • plants can then use these nitrogen compounds carrying out their life processes
  • consumers eat nitrogen compounds in plants
  • free nitrogen in air
  • plants use simple nitrogen compounds to make proteins.
  • bacteria in soil release some free nitrogen back into the air.
  • most organisms can use nitrogen only once it has been fixed
  • Mirella Dejesus