Atmosphere review

Front

What is the process in which nitrogen circulates and is recycled?

Back

The nitrogen cycle.

Front

True or False: Bacteria fix nitrogen from the atmosphere into a form plants can use.

Back

True.

Front

Which layer of the atmosphere contains the ozone layer?

Back

Stratosphere.

Front

How do animals get the nitrogen they need?

Back

From the food they eat.

Front

What is the main reservoir of nitrogen?

Back

Atmosphere.

Front

Define the nitrogen cycle.

Back

The nitrogen cycle is the process by which nitrogen is converted between its various chemical forms, including atmospheric nitrogen, organic nitrogen, and inorganic nitrogen.

Front

What role do bacteria play in the nitrogen cycle?

Back

Bacteria convert atmospheric nitrogen into ammonia, which plants can use.

Front

What is the significance of the ozone layer?

Back

The ozone layer protects living organisms by absorbing most of the sun's harmful ultraviolet radiation.

Front

Name the four main reservoirs of nitrogen in the nitrogen cycle.

Back

Atmosphere, soil, water bodies, and living organisms.

Front

What is the difference between the nitrogen cycle and the carbon cycle?

Back

The nitrogen cycle focuses on the movement of nitrogen through the environment, while the carbon cycle involves the movement of carbon.