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Describe movement of energy
Energy is NOT conserved, and once it is exited as heat, it CANNOT be regained
Describe movement of matter
Matter is conserved and cycles through the ecosystem
Why is the nitrogen cycle important?
Critical for proteins and nucleic acids in all organisms
Why is the water cycle important?
Water makes up 70-90% of cell mass and acts as a solvent for biochemical reactions, enabling transport of nutrients and waste. Plants need water to produce glucose and O2
Why is the carbon cycle important?
Central to life and climate regulation. It explains how carbon moves between parts of the Earth