We get the nitrogen our bodies need by eating food.
What does it mean to say the "need of nitrogen in the atmosphere"? Needed for who, for what? Nitrogen is in the atmosphere regardless of who needs it.Is the nitrogen gas used for something? Definitely. Certain organisms are able to convert nitrogen gas, N2, in the atmosphere into NH3, ammonia, which is used as a plant nutrient. This is generally called nitrogen fixation.
By eating plants
Nitrogen is needed for everything to grow well. It is essentially a building block for proteins.
nitrogen is used to help the body eliminate wastes.
We get the nitrogen our bodies need by eating food.
We get the nitrogen our bodies need by eating food.
Herbivores get the nitrogen they need by eating plants.
Why does atmospheric nitrogen need to be converted?
Nitrogen is not necessary.
No,plants need nitrogen.
No,plants need nitrogen.
They absorb nitrogen through their roots.
Legumes "fix" nitrogen in nodules on their roots, so they do not need additional nitrogen-containing fertilizers.
Legumes "fix" nitrogen in nodules on their roots, so they do not need additional nitrogen-containing fertilizers.
Herbivores need nitrogen because it is essential for their metabolic systems and cellular structures.
Plants need nitrogen to build proteins and nucleic acids.