Nitrogen Cycle Flashcardizz

Front

What is the process by which bacteria convert nitrite to nitrate?

Back

Nitrification

Front

What form of nitrogen is released into the soil after an organism dies?

Back

Ammonia

Front

What is the initial form of nitrogen before nitrification occurs?

Back

Ammonia

Front

What is the form of nitrogen that exists in the atmosphere and must be fixed for use by plants?

Back

Nitrogen gas

Front

What is the process called when organic nitrogen is converted to ammonia?

Back

Ammonification

Front

What is the role of nitrogen-fixing bacteria in the nitrogen cycle?

Back

They convert nitrogen gas into ammonia.

Front

What is the significance of nitrates in the nitrogen cycle?

Back

Nitrates are a form of nitrogen that plants can absorb and use for growth.

Front

What is the term for the conversion of ammonia to nitrite?

Back

Nitrification

Front

What happens to nitrogen in the soil when plants and animals die?

Back

It is converted to ammonia through decomposition.

Front

What is the main source of nitrogen gas in the atmosphere?

Back

The atmosphere itself, making up about 78% of it.