Question

Why are bacteria needed in the nitrogen cycle ?

Answer 1

The answer to the question: Why are bacteria needed in the nitrogen cycle is:

A. Other living things cannot use atmosperic nitrogen.

Step-by-step explanation:

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Answer 2

They are more abundant than the nitrifying bacteria and may turn out to play an important role in the nitrogen cycle. Many legumes, in addition to fixing atmospheric nitrogen, also perform nitrification — converting some of their organic nitrogen to nitrites and nitrates.