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Name:
Science 10
Block:
2.2 Nitrogen Cycle Worksheet
(16 marks)
Questions
Why is nitrogen
necessary for living
organisms?
How is nitrogen
stored?
How is nitrogen
cycled through the
ecosystem?
What is nitrogen
fixation?
What is nitrification
and uptake?
How does nitrogen
return to the
atmosphere?
How is excess
nitrogen removed
from ecosystems?
How do human
activities affect the
ecosystem?
Points to Know
Date:
Assignment#3