nitrogen cycle
Storyboard-Text
- Ammonification
- Nitrification
- Assimilation
- This is part of the decaying process. When a plant or animal dies, decomposers like fungi and bacteria turn the nitrogen back into ammonium so it can reenter the nitrogen cycle.
- (6.7.1) ⏰Do Now : Nitrogen CycleFixationFixation
- This is the process by which ammonium gets changed intonitrates(NO3-) by bacteria. Nitrates are what the plants can then absorb.
- Denitrification
- This is how plants get nitrogen. They absorb nitrates from the soil into their roots. Then the nitrogen gets used inamino acids(proteins), nucleic acids (DNA), and chlorophyll.
- Fixation is the first step in the process of making nitrogen usable by plants. Here bacteria change nitrogen into ammonium (NH3).
- Extra nitrogen in the soil gets put back out into the air. There are special bacteria that perform this task as well.
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