Nitrogen Cycle Flashcards
1
Q
Nitrogen gas in the air is turned into ammonia in soil by what?
A
Nitrogen fixing bacteria in root nodules of legumes
2
Q
Ammonia in the soil is turned into nitrates by what?
A
Nitrifying bacteria
3
Q
The process of ammonia being turned into nitrates in the soil is known as what
A
Nitrification
4
Q
Nitrates in the soil go to plants by what process?
A
Active transport
5
Q
How is nitrogen useful to plants
A
Amino acids, protiens, DNA
6
Q
The process of nitrates going into plants in known as what?
A
Assimilation
7
Q
How does nitrogen pass from plants to animals
A
Feeding
8
Q
When plants and animals die they form ammonia due to
A
Decomposers
9
Q
Name 2 types of decomposers
A
Bacteria and fungi
10
Q
How do nitrates in the soil get turned into nitrogen in the air
A
Denitrification
