Which of the following statements about nitrogen cycling in ecosystems is false________
A. The ammonia gas in the soil can be finally converted into nitric acid by the action of nitrifying bacteria
B. Denitrifying bacteria in the soil convert nitrate to nitrogen in the presence of sufficient oxygen
C. Biological nitrogen fixation is the main way of nitrogen fixation
D. Nitrogen in the atmosphere must be absorbed and utilized by plants through nitrogen fixation
Answer:B
Which of the following statements about nitrogen cycling in ecosystems is false________
A. The ammonia gas in the soil can be finally converted into nitric acid by the action of nitrifying bacteria B. Denitrifying bacteria in the soil convert nitrate to nitrogen in the presence of sufficient oxygen C. Biological nitrogen fixation is the main way of nitrogen fixation D. Nitrogen in the atmosphere must be absorbed and utilized by plants through nitrogen fixation