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  1. Nitrogen fixation . The nodules on the roots of leguminous plants do it.

    2 Answers · Science & Mathematics · 29/10/2007

  2. Nitrogen fixation by nitrogen fixing bacteria in the nodules of the roots of legumes.

    1 Answers · Science & Mathematics · 06/02/2011

  3. ... of bacteria and algae in a process known as nitrogen fixation . Legume plants such as clover, alfalfa, and soybeans form ...

    4 Answers · Science & Mathematics · 09/09/2006

  4. I think all nitrogen fixation is done by bacteria. So both plants and... do not have roots, so they get theirs by eating nitrogen containing things including plants and animals...

    1 Answers · Science & Mathematics · 13/02/2010

  5. Nitrogen fixation . Nitrogen fixation - Atmospheric Nitrogen turns...

    3 Answers · Science & Mathematics · 13/11/2007

  6. ...before it can be utilised by the plant. This can be done through nitrogen fixation which can be accomplished by bacteria for example.

    8 Answers · Science & Mathematics · 25/02/2008

  7. Ex: nitrogen fixation . It is a reaction that occurs in only some bacteria...index.html http://www.biology.ed.ac.uk/research/groups/jdeacon/microbes/ nitrogen .htm

    2 Answers · Science & Mathematics · 16/05/2009

  8. 3. nitrogen fixation 4. endospore 5. conjugation 6. flagella

    1 Answers · Science & Mathematics · 17/02/2008

  9. 1) Food chain 2) Nitrogen fixation 3) Climate conditions

    1 Answers · Science & Mathematics · 06/07/2013

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