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Ecosystems

Ecosystems

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Author: Natalie Valverde
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4th Grade

Life Science

3. Living organisms depend on one another and on their environment for survival. As
a basis for understanding this concept:
        a. Students know ecosystems can be characterized by their living and nonliving
        components. 

https://www.cde.ca.gov/be/st/ss/documents/sciencestnd.pdf

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