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Copy of Ecosystem Cycles

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Denise Ford

on 17 November 2017

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Transcript of Copy of Ecosystem Cycles

Ecosystem Cycles

The Law of Conservation of Mass
Matter cannot be created or destroyed
Water Cycle
H2O molecules move through the air or ground to make rain or rivers. The sun powers this cycle. Only 3% of Earth's water is fresh water.
Nitrogen Cycle
The circulation of nitrogen between organisms and their surroundings.
This element is critical for plant growth.

Next time you are at Home Depot with mom or dad check out the fertilizer section
Carbon Cycle
The circulation of carbon between organisms and their surroundings

Carbon can be a solid or gas in nature.
The elements or molecules
are used over and over again
in an ecosystem
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