How Ecosystems Work

How Ecosystems Work book cover — My Science Library Educational Media Rourke How Ecosystems Work by Julie K Lundgren Science Content Editor Shirley Duke rourkeeducationalmedia com Teacher Notes available at rem4teachers com

How Ecosystems Work — page 1 — Balanced System A tree A forest A pond An ocean We can call each an ecosystem We can describe the connections between the plants animals and nonliving things in ecosystems 4

How Ecosystems Work — page 2 — We can call a single tree and all that lives in its branches an ecosystem 5

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