Front

What converts nitrogen gas into a usable form for plants and animals?

Back

bacteria

Front

The process in which nitrogen circulates and is recycled is called

Back

The nitrogen cycle

Front

Organisms that need nitrogen to survive.

Back

all living things

Front

How is nitrogen "fixed" into a usable form for plants?

Back

Through action of bacteria and lightning

Front

How do animals get the nitrogen they need?

Back

From the food they eat

Front

Gas that makes up 78% of our atmosphere.

Back

Nitrogen

Front

What is the process of combining nitrogen gas with other elements to make nitrogen into usable compounds?

Back

nitrogen fixation

Front

What is the formula for atmospheric nitrogen? Options: N, N₂, NH₃, NO₃

Back

N₂

Front

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

Back

Denitrification

Front

Can plants and animals use nitrogen directly from the air?

Back

No, they cannot.