Nitrogen Cycle

Front

Gas that makes up 78% of our atmosphere.

Back

Nitrogen

Front

The process in which nitrogen circulates and is recycled is called

Back

The nitrogen cycle

Front

Where is nitrogen found on earth?

Back

All of these (In the atmosphere, proteins, plants and animals)

Front

Why is nitrogen important?

Back

It's in proteins and DNA.

Front

How do animals get the nitrogen they need?

Back

From the food they eat

Front

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

Back

Denitrification

Front

What converts nitrogen gas into a usable form for plants and animals? Options: bacteria, rain, fungi, car exhaust

Back

bacteria

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