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Nitrogen Cycle

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Total cards: 12•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (12)

#1
Front (Question)

Step 1

Back (Answer)

Nitrogen Fixation

#2
Front (Question)

Step 2

Back (Answer)

Nitrification

#3
Front (Question)

Step 3

Back (Answer)

Assimilation

#4
Front (Question)

Step 4

Back (Answer)

Ammonification

#5
Front (Question)

Nitrogen Fixation

Back (Answer)

Bacteria changes Nitrogen into Ammonium

#6
Front (Question)

Nitrification

Back (Answer)

Ammonium gets changed into nitrates by soil bacteria. Plants can now absorb nitrogen in the form of nitrate. (NH4+1 to NO2-1 to NO3-1)

#7
Front (Question)

Assimilation

Back (Answer)

Plants absorb the nitrates from the soil.

#8
Front (Question)

Denitrification

Back (Answer)

Converts nitrates to nitrogen gas released into the atmosphere. NO3-1 to N2

#9
Front (Question)

Ammonification

Back (Answer)

Decomposers (bacteria) turn the nitrogen from dead animals / plants back into ammonium

#10
Front (Question)

Nitrite goes to which process:

Back (Answer)

Denitrification

#11
Front (Question)

Nitrate goes into which process:

Back (Answer)

Assimilation

#12
Front (Question)

Step 5

Back (Answer)

Denitrification