A biologist is studying the organisms which live in the root nodules found in plants which are called

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Some plants,such as legumes,soybeans,and alfalfa,have roots colonized by Rhizobium bacteria,which can fix atmospheric nitrogen.The bacteria live in root nodules and are supplied with carbohydrates by the host plant.The bacteria,in turn,furnish their host with nitrogen compounds,making this a mutualistic relationship.

A Biologist Is Studying the Organisms Which Live in the Root