Multiple Choice
Which of the following statements is NOT true of nitrogen-fixing bacteria?
A) They live in root nodules.
B) They are very common in symbioses with plants from the legume family.
C) They are very common in symbioses in all plant families.
D) Some are free-living in the soil.
E) They provide an important way that biologically available nitrogen enters ecosystems.
Correct Answer:

Verified
Correct Answer:
Verified
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