Which Statement About Plants with Nitrogen-Fixing Bacteria Is True

question 67

Multiple Choice

Which statement about plants with nitrogen-fixing bacteria is true?

• A) They often play major roles in early succession.
• B) They are often at a competitive disadvantage in late succession due to the energetic costs involved in maintaining their bacterial symbionts.
• C) Only a few types of nitrogen-fixing bacteria are associated with plants.
• D) Both a and b

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