Why do plants have nodules on the roots?

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asked Apr 12, 2018 168k views

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Viira · Answer 1 · 2018-04-19T10:59:18+0000

Plants have these because root nodules are formed when nitrogen fixing bacteria called "rhizobia" start to enter the cells of a host plant. Rhizobia normally live inside of the soil and they can exist without a host plant.

Why do plants have nodules on the roots?

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