Question: what are the steps of the nitrogen cycle?
Answer: Nitrogen-fixation. Legume plants such as peas, beans and clover contain nitrogen-fixing bacteria. ... 
Feeding. Animals consume plant protein, digest it using specific enzymes and absorb the free amino acids.
Production of nitrogenous waste products. ... 
Decomposition. ... 
Nitrification. ... 
Uptake of nitrates. ... 
Denitrification.