Nitrogen Cycle

What is assimilation?

• The process in which nitrogen is extracted from decaying organic matter

• The process in which nitrogen is absorbed by living tissue

• When bacteria capture nitrogen

Nitrogen is a

What is the main function of the nitrogen cycle?

• To use excess nitrogen to sustain life

• To use energy as fuel to create nitrogen

• To support life while recycling nitrogen

Which organisms take part in the nitrogen cycle?

• Bacteria

• Plants

• Animals

• Ammonium

What are five processes of the nitrogen cycle?

• nitrogen fixation, nitrification, assimilation, ammonification, denitrification

• nitrogen fixation, assimilation, microbial transformation, absorption, denitrification

• nitrification, ammonification, denitrification, assimilation, nitrogen trapping

• absorption, assimilation, ammonification, denitrification

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