Question 34
Nutrient CyclingThe role of bacteria in the nitrogen cycle includes the following except
- A.fixing atmospheric nitrogen
- B.converting ammonia to nitrites
- C.converting nitrites to nitrates
- D.converting carbohydrates to carbondioxide
- E.causing the decay of dead organisms
Show the answer and explanation
Answer: D (converting carbohydrates to carbondioxide)
Explanation
Breaking carbohydrates down to carbon dioxide belongs to the carbon cycle; the other processes move nitrogen compounds.