ECOSYSTEM SCIENCE FAIR PROJECTS
USING WORMS, LEAVES, CRICKETS, AND OTHER STUFF
Berkeley Heights, N.J. : Enslow,
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you know what an ecosystem is? An ecosystem is made up of the living
things in an area along with the non living factors in that environment.
They each have an effect of on the other. Do you want to see how?
This book is just filled with experiments you can do at home to show the
Ecology -- Experiments.
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