Bacteria living in nodules on the roots of legumes have the ability to fix atmospheric nitrogen into a water-soluble form that plants can use. The bacteria absorb sugar from the plants’ roots. Which describes the relationship between the bacteria and the legume plants?



A.
parasitism

B.
mutualism

C.
commensalism

D.
predation

Bacteria living in nodules on the roots of legumes have the ability to fix atmospheric nitrogen into a watersoluble form that plants can use The bacteria absorb class=