Plant Evolution and Plant Form and Function

Aug 26, 2009 · -A second mutualistic relationship is between nitrogen-fixing bacteria and plants. Nitrogen-fixing bacteria from the genus Rhizobium live in the root nodules of the legume plant family, including plants like peas, soybeans, alfalfa, peanuts, and clover. Rhizobium bacteria can fix atmospheric nitrogen into a form that can be used by plants. ................
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