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Because the nitrogen in the air is in a form not usable to animals and plants. The only way animals get nitrogen to build protein and nucleic acid is by eating it. This is usually through plants, which get there nitrogen from the soil. They get it from the soil cuz bacteria in the soil turn the atmospheric nitrogen into a usable form. In a water ecosystem cyanobacteria a.k.a. blue-green algae transform the nitrogen from the atmosphere into usable forms of nitrate
What else can I help you with?
Animals can use nitrogen only if it is in the form of?
Air/gas animals and humans breathe in, and a little bit of nitrogen is included in the air it has just breathed in.
What are the uses of Oxygen and Nitrogen in air?
Oxygen keeps animals alive, Nitrogen is not much use.
Can animals use nitrogen directly from the atmosphere?
no plants and animals cannot use nitrogen straight out of the air every time we take a breath you breath it in but it goes through nitrogen fixation to let us humans animals and plants to use it.
Do animals use nitrogen?
no
How does nitrogen from the air get into the bodies of plants and animals?
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.
What is the nitrogen cycle and how does it work in a simple and easy-to-understand way?
The nitrogen cycle is the process by which nitrogen moves through the environment. Nitrogen gas in the air is converted into a form that plants can use by bacteria in the soil. Plants then take up this nitrogen to grow. When plants and animals die, bacteria break down their remains, releasing nitrogen back into the soil. This cycle continues as nitrogen is recycled between the air, soil, plants, and animals.
Should I use air or nitrogen in tires?
air
Why doesn't the humans breathe nitrogen?
Because the nitrogen in the air is in a form not usable to animals and plants. The only way animals get nitrogen to build protein and nucleic acid is by eating it. This is usually through plants, which get there nitrogen from the soil. They get it from the soil because bacteria in the soil turn the atmospheric nitrogen into a usable form. In a water ecosystem cyanobacteria (a.k.a. blue-green algae) transform the nitrogen from the atmosphere into usable forms of nitrate
Is it okay to put regular air on nitrogen tires?
Yes, you can use nitrogen or plain air.
What do animals use nitrogen for?
Animals use nitrogen to build proteins in their bodies. Nitrogen is a vital component of amino acids, which are the building blocks of proteins essential for growth, maintenance, and repair of tissues in animals.
Do animals depend on plants for nitrogen?
Plants and animals depend on nitrogen-fixing bacteria. Plants and animals cannot use nitrogen gas directly. The nitrogen must be changed in to ammonia first. These nitrogen-fixing bacteria take nitrogen and convert it to ammonia for plant and animals to use.
How do use nitrogen normally?
Nitrogen takes up most of the air we breathe
