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The same reason humans do. People breath oxygen and nitrogen.

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16y ago

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Do animals use nitrogen?

no


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.


What are the uses of Oxygen and Nitrogen in air?

Oxygen keeps animals alive, Nitrogen is not much use.


Do animals take in nitrogen directly from the atmosphere?

Since 78.08% of the Earth's atmosphere is composed of nitrogen, yes. But it cannot be used in biological processes. The nitrogen animals use comes in the form of nitrogen compounds acquired from food. Ultimately, the nitrogen used by most living things is produced by nitrogen-fixing bacteria which do use nitrogen from the atmosphere, these compounds are then taken in and used by plants.


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.


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 source of nitrogen for animals?

Animals get nitrogen from plants.


How do animals obtain the nitrogen they use to make proteins and nucleic acids?

Animals obtain the nitrogen needed to make proteins and nucleic acids by consuming foods that contain nitrogen, such as plants or other animals. The nitrogen is then broken down and used by the body to build the necessary molecules for growth and repair.


What form must nitrogen take before plants and animals can use it?

Nitrogen must be in the form of ammonium (NH4+) or nitrate (NO3-) before plants and animals can use it for growth and development. These forms of nitrogen can be taken up by plant roots and further utilized in biological processes.


How do plants and animals utilize atmospheric nitrogen (N2 gas) for their growth and development?

Plants and animals cannot directly use atmospheric nitrogen (N2 gas) for their growth and development. Instead, certain bacteria in the soil or in the roots of plants can convert atmospheric nitrogen into a form that plants can absorb, such as nitrate or ammonium. Plants then take up these nitrogen compounds through their roots and use them to build proteins and other essential molecules. Animals obtain nitrogen by consuming plants or other animals that have already incorporated nitrogen into their tissues.


Describe the path of nitrogen through its biogeochemical cycle?

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.


How do plants get nitrogen compared to how animals get nitrogen?

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.