Why Is Nitrogen Fixation by Prokaryotes Essential to Life on Earth

question 71

Multiple Choice

Why is nitrogen fixation by prokaryotes essential to life on Earth?

• A) It removes nitrogen from the soil.
• B) It converts atmospheric nitrogen to a non-toxic form.
• C) It provides nitrogen sources for plants and animals.
• D) It provides an energy source for photosynthesis.
• E) It allows for the breakdown of complex macromolecules.

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