nitrogen cycle

The nitrogen cycle describes how plants move through nitrogen

• true

• false

what does bacteria change nitrogen into during fixation

• nitrates

• bacteria

• ammonium

• DNA

ammonification- this is part of the ____ process

• nitrates

• soil

• fixation

• decaying

What is the process of how plants get nitrogen called?

• assimilation

• nitrification

• denitrification

• ammonification

What is nitrification?

• the first step in the process of making nitrogen usable by plants.

• extra nitrogen in the soil that gets put back out into the air.

• the process by which ammonium gets changed into nitrates by bacteria.

Extra nitrogen in the soil getting put back out into the air is called?

• ammonification

• dentrification

• nitrification

• fixation

NItrogen

• NO2

• NH4

• NO3

• N2

Nitrates

• N2

• NH4

• NO3

• NO2

Nitrites

• NO2

• N2

• NO3

• NH4

Ammonium

• N2

• N3

• NH4

• NO2