Loading presentation...

Present Remotely

Send the link below via email or IM

Copy

Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.

DeleteCancel

Nitrogen Cycle

No description
by

Kristin Howell

on 21 April 2010

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Nitrogen Cycle

Nitrogen Cycle Nitrogen Cycle Nitrogen is essential to all living systems, which makes it one of the Earth's most important nutrient cycles. Nitrogen, "fixed" as ammonia and nitrates, is used directly by plants and is incorporated in their tissues as plant proteins. The nitrogen then passes through the food chain from plants to herbivores to carnivores. When plants and animals die, the nitrogenous compounds are broken down by decomposing into ammonia. Some of this ammonia is taken up by plants. The rest is dissolved in water or held in the soil, where microorganisms convert it into nitrates and nitrites. Nitrates may be stored in decomposing humus or leached from the soil and carried to streams and lakes. They may also be converted to free nitrogen through denitrification and returned to the atmosphere.
Full transcript