Nitrogen Cycle Flashcardizz

Front

What is the form of nitrogen found in the air?

Back

Nitrogen gas.

Front

What form of nitrogen do plants most easily absorb?

Back

Nitrate.

Front

What is the form of nitrogen after the first half of nitrification?

Back

Nitrite.

Front

What is the form of nitrogen before nitrogen fixation?

Back

Nitrogen gas.

Front

What is the form of nitrogen after ammonification?

Back

Ammonia.

Front

What process converts nitrogen gas into a form usable by plants?

Back

Nitrogen fixation.

Front

What is the role of nitrifying bacteria in the nitrogen cycle?

Back

They convert ammonia into nitrite and then into nitrate.

Front

What is ammonification in the nitrogen cycle?

Back

The process of converting organic nitrogen into ammonia.

Front

What is denitrification?

Back

The process by which nitrates are reduced to nitrogen gas, returning it to the atmosphere.

Front

What is the significance of the nitrogen cycle in ecosystems?

Back

It recycles nitrogen, making it available for living organisms.