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Environmental Matter Exchange

Subject Science
Grade Level Grades 6-12
Resource Type
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014 - Environmental Matter Exchange

Paul Andersen explains how living organisms exchange matter with the environment. The importance of the surface area to volume ratio is emphasized using a simple mathematical model. The essential chemicals for life; water, carbon, nitrogen and phosphorus are described. Each of these elements are vital to the four major macromolecules. A brief description of the biogeochemical cycles is also included.

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Environmental Matter Exchange
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3.0
1 Review
Parts of this resource are too advanced for middle school.
kflair
February 08, 2014