Nitrogen Cycle
Presentation
•
Science
•
9th Grade
•
Hard
James Gonzalez
FREE Resource
10 Slides • 3 Questions
1
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Multiple Choice
What is the definition for Biogeochemical Cycles?
The process of photosynthesis and respiration in plants.
A pathway for chemicals necessary for life to move through the environment.
The movement of energy through living organisms in an ecosystem.
The study of the interactions between organisms and their environment.
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Match
Match the following
Nitrogen Fixation
Nitrification
Ammonification
Denitrification
Bacteria fix N2 into NH3
Bacteria change NH3 & NH4 into NO3 & NO2
Decomposers change N into NH3 or NH4
Bacteria make atmospheric N2
Bacteria fix N2 into NH3
Bacteria change NH3 & NH4 into NO3 & NO2
Decomposers change N into NH3 or NH4
Bacteria make atmospheric N2
10
Labeling
Label the organisms that are part of the Nitrogen Cycle!
Nitrifying Bacteria
Nitrifying Bacteria
Decomposers
Nitrogen-Fixing Bacteria
Denitrifying Bacteria
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