How do plants get the nitrogen they need?

Biology

1 answer:

ololo11 [35]3 years ago

5 0

Correct answer: D) From bacteria living in their roots

Nitrogen is an essential plant nutrients, but it is metabolically unavailable to higher plants and animals. It is available to some species of microorganism by biological nitrogen fixation in which nitrogen is converted to ammonia with the help of enzyme dinitrogenase.

The process of breaking apart the two atoms in a nitrogen molecule is called nitrogen fixation. Plant obtain the nitrogen they need from the soil which is already fixed by the bacteria and archae.

Example: Azobacter, Nostac

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