Nitrogen and phosphorus cycle

Front

What process involves the capture and conversion of nitrogen into a form useable by plants?

Back

nitrogen fixation

Front

Uses for phosphates include...

Back

All of the above

Front

Which cycle is known as the "sedimentary" cycle because its reservoir is sedimentary rock? Options: Sulfur cycle, Nitrogen cycle, Phosphorus cycle, Carbon cycle

Back

Phosphorus cycle

Front

What is released by the weathering of rocks?

Back

Phosphorus

Front

Identify the cycle pictured: The Water cycle, The Carbon cycle, The Nitrogen cycle, The Phosphorus cycle

Back

The Nitrogen cycle

Front

How do animals get nitrogen?

Back

eating other organisms

Front

Organisms require nitrogen to make which of the following?

Back

proteins and nucleic acids

Front

How much of the atmosphere is composed of nitrogen gas?

Back

78%

Front

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

Back

bacteria

Front

Can plants and animals use nitrogen directly from the air?

Back

No, they cannot.