At the very basic level all DNA needs nitrogen. WIthout DNA there is no life.
they need it to live
Nitrogen can enter the soil from plants such as legumes which fix nitrogen in their roots. Also dead plants and animals add nitrogen into the soil.
Animals such as deer eat plants that contain nitrogen. The nitrogen helps the animals build and repair cells. When that animal dies, the nitrogen is released back into the atmosphere.
The only forms of nitrogen compounds that living things can make use of are ammonia compounds and nitrate compounds.These are called "fixed nitrogen". Animals obtain the nitrogen they need from proteins in the plants and/or animals they eat. Proteins are amino acid polymers and amino acids are built around an ammonia group.
Nitrogen gas in the soil is used by plants, which are eaten by animals. The waste products of the animals contain the nitrogen. It is broken down by bacteria, which releases nitrogen gas into the atmosphere, and the cycle repeats.
-Proteins are partly made from nitrogen without proteins , your cells will lack enough nourishment's to repair it self or to build new tissues - Plants require nitrogen to grow if nitrogen is not available for plants , they will fail and this disrupts the food chain - It is also an occurring element that is essential for the growth and reproduction in both plants and animals.
Plants and animals die and decomposers break down their nitrogen containing molecules to ammonia. All animals get the nitrogen they need by eating plants, by eating other animals that ate plants, or by eating animals that ate animals that ate plants.
Nitrogen is required by plants and animals for protein synthesis
Plants and animals die and decomposers break down their nitrogen containing molecules to ammonia. All animals get the nitrogen they need by eating plants, by eating other animals that ate plants, or by eating animals that ate animals that ate plants.
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Most plants get nitrogen from fertilizers. Some plants can have a process called nitrogen fixing in which nitrogen from the is turned into ammonium compounds. Animals get their nitrogen from food, by eating plants and other animals.
Animals get their nitrogen from plants and by eating other animals
Animals get nitrogen from plants.
Animals and plants need nitrogen to live because proteins and other biological compounds contain nitrogen. In plants, nitrogen compounds perform photosynthesis. In humans, nitrogen is the basis for amino acids, the building blocks of genetic material.
If there were no green plants there would be no nitrogen cycle.If there were no green plants, the nitrogen that most organisms need wouldn't be transferred to all living things. Nitrogen is in green plants first, and then the herbivores, omnivores, and carnivores get it by eating the plants or eating the animals that eat those plants. Without green plants, those animals wouldn't really have anything to get the nitrogen from. Nitrogen is crucial to all plants in making amino acids and proteins which they need to survive, so there would be no life on Earth.
plants and animals
Plants get it from bacteria which live associated with their roots who take atmospheric nitrogen and fixate it (nitrogen cycle). Animals can only get it by ingesting organic compounds which contain nitrogen, such as plants and other animals which have eaten plants.
When the animals breathe in nitrogen it goes into their bodies so when they die and decompose the nitrogen they breathed in is now in the soil and also when they fertilize on the land.