The diagram below shows part of nitrogen cycle. In which stage/s will decomposers play a role? 1 and 2 , 3 and 4, 1 and 4, 2 and 3
Answers
Answer:Correct option is E)
Option A is incorrect as nitrogen-fixing bacteria fix the atmospheric nitrogen into ammonia.
Option B is incorrect as nitrogen is incorporated into amino acids within an animal's body.
Option C is incorrect as the conversion of ammonia into nitrates is termed as nitrification and is carried out by chemolithotrophic bacteria; Nitrosomonas and Nitrobacter.
Option D is incorrect as chemolithotrophic bacteria that reduce the nitrogenous compounds (nitrites and nitrates) into atmospheric nitrogen are termed as denitrifying bacteria.
Option E is correct as decomposers reduce the organic nitrogen, present in organic detritus and nitrogenous animal waste, into ammonia.
Therefore, the correct answer is option E.
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