Question

Why does a Rhizobium have to live in the roots of legumes?

Answer 1

Answer:

Explanation:because it is a bacteria

Answer 2

Answer:

here is your answer  

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Explanation:

Rhizobium–legume symbioses are of great ecological and agronomic importance, due to their ability to fix large amounts of atmospheric nitrogen. These symbioses result in the formation on legume roots of differentiated organs called nodules, in which the bacteria reduce nitrogen into ammonia used by the host plant.