They provide a snug home for the bacteria in nodules on their roots and give the bacteria a supply of sugar, and in return the bacteria fix nitrogen gas from the atmosphere into a form that the plants can use.
(They; provide; a snug home) (They; give; the bacteria; a supply of sugar) (the bacteria; fix; nitrogen gas; from the atmosphere) (a form; can use; the plants)
They They the bacteria a form
provide give fix can use
a snug home
the bacteria a supply of sugar
nitrogen gas from the atmosphere
the plants