Nitrogen Cycle Flashcard

Front

What percent of the atmosphere is nitrogen?

Back

78%

Front

How does Nitrogen reach soil?

Back

Nitrogen reaches the soil from precipitation

Front

Can plants and animals readily use nitrogen gas?

Back

False

Front

The process that Nitrogen goes through to be able to be used by plants and animals is called _________.

Back

Nitrogen-Fixation

Front

What helps the process of Nitrogen-Fixation? Options: Special Bacteria, Ammonia, Precipitation, Carbon Dioxide

Back

Special Bacteria

Front

Where can you find the special bacteria that helps in Nitrogen-Fixation?

Back

On the roots of plants

Front

Plants use ________ to make their own proteins. Options: Ammonia, Nitrogen Gas, Nitrates, Carbon Dioxide.

Back

Nitrates

Front

Decomposers

Back

Change decaying matter and waste back into Nitrogen

Front

Unused nitrates get changed back into ammonia and nitrogen gas. This process is called ________.

Back

Denitrification

Front

Choose the correct statement about ammonia: Ammonia is used by plants, Ammonia is toxic, Ammonia is the final step of the Nitrogen Cycle, Ammonia helps plants make plant proteins

Back

Ammonia is toxic