Nitrogen - page 4

Nitrogen Do most organisms use nitrogen directly form air?
Do most organisms use nitrogen directly form air?
Do most organisms use nitrogen directly from the air?Who use nitrogen directly from the air?What organisms use nitrogen from air?Can nitrogen be used...
Nitrogen Can animals survive without nitrogen?
Can animals survive without nitrogen?
Nitrogen (N) is one of the building blocks of life: it is essential for all plants and animals to survive. Nitrogen (N2) makes up almost 80% of our at...
Nitrogen How is nitrogen fixation important to animals?
How is nitrogen fixation important to animals?
Nitrogen fixation, natural and synthetic, is essential for all forms of life because nitrogen is required to biosynthesize basic building blocks of pl...
Nitrogen What is ammonification?
What is ammonification?
Ammonification. When an organism excretes waste or dies, the nitrogen in its tissues is in the form of organic nitrogen (e.g. amino acids, DNA). Vario...
Nitrogen An animal returns nitrogen to the environment when it?
An animal returns nitrogen to the environment when it?
Nitrogen is returned to the atmosphere by the activity of organisms known as decomposers. Some bacteria are decomposers and break down the complex nit...
Nitrogen How do animals obtain nitrogen?
How do animals obtain nitrogen?
Decomposition. Plants take up nitrogen compounds through their roots. Animals obtain these compounds when they eat the plants. When plants and animals...
Nitrogen Is nitrogen bad for living things?
Is nitrogen bad for living things?
Nitrogen is important to all living things, including us. It plays a key role in plant growth: too little nitrogen and plants cannot thrive, leading t...
Nitrogen What is the form of most of the nitrogen in the world?
What is the form of most of the nitrogen in the world?
Dinitrogen is the most common form. It makes up 78 percent of the atmosphere but cannot be used by plants. It is taken into the soil by bacteria, some...
Nitrogen What would happen if too much nitrogen and other nutrients were released into the environment?
What would happen if too much nitrogen and other nutrients were released into the environment?
Excess nitrogen in the atmosphere can produce pollutants such as ammonia and ozone, which can impair our ability to breathe, limit visibility and alte...