Nitrogen Cycle Flashcards
1
Q
Nitrogen Cycle
A
How nitrogen is recycled through different components of the environment
2
Q
Types of Bacteria
A
- Nitrogen - fixing Bacteria
- Decomposing Bacteria
- Nitrifying Bacteria
- Denitrifying Bacteria
3
Q
Where is Nitrogen Fixing Bacteria found?
A
Soil
Rood nodules of legumes
4
Q
What do nitrogen-fixing bacteria do?
A
Convert nitrogen gas in air -> nitrates
5
Q
What does lightning do?
A
Same job as nitrogen-fixing bacteria
6
Q
What do decomposing bacteria do?
A
Convert proteins from dead organisms -> urea + ammonia
7
Q
Where is decomposing bacteria found?
A
Soil
8
Q
What does Nitrifying Bacteria do?
A
Convert ammonia -> nitrites and then nitrates
9
Q
What does Denitrifying Bacteria do?
A
Convert nitrates back into nitrogen gas
