Nitrogen-Fixing Bacteria in the Roots of Soybeans Help Provide a Source

question 16

Multiple Choice

Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants,and in exchange,the bacteria obtain food from the plants.Which type of interaction is this?

• A) mutualism
• B) commensalism
• C) parasitism
• D) predation
• E) herbivory

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