During nitrification, ammonia is changed back into nitrate.
Nitrification is a three-step process of oxidation of ammonia. It is an aerobic process performed by small groups of autotrophic bacteria (Nitrosomonas, Nitrobacter). First step- ammonia to hydroxylamine, Second step-hydroxylamine to nitrite, Third step-nitrite to nitrate. Nitrification together with ammonification is part of a nitrogen cycle.
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Simple diffusion is when the particles travel through the cell and facilitated diffusion is when the molecules travel through the cell.
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notochord, dorsal hollow nerve cord, pharyngeal slits, and a post-an4l tail
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The necessary structure for asexual reproduction
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