nitrogen cycle Flashcards
(5 cards)
1
Q
Nitrogen fixation
A
When bacteria in the soil and roots of plants convert nitrogen gas into ammonium ions
2
Q
Nitrification
A
The process of turning ammonium ions into nitrates (NO3) and nitrite ions (NO2) by nitrifying bacteria.
3
Q
Assimilation
A
Update of nitrates from the soil by the roots of plants
4
Q
ammonification
A
When the decomposer turns nitrogen compounds into ammonium
5
Q
Denitrification
A
When nitrates turn into nitrogen gas denitrifying bacteria
