APES - Ch 5 Biogeochemical Cycles Flashcards
0
Q
Nitrification
A
- ammonia(NH3) into nitrite(NO2-) or nitrate (NO3-)
- usable for plants
1
Q
Nitrogen Fixation
A
-conversion of N2 into ammonia(NH3) or nitrate (NO3-)
2
Q
Ammonification
A
-when an organism dies it secretes organic nitrogen, this turns it back to ammonia(NH3)
3
Q
Denitrification
A
-nitrates reduced to N2