Biological+Tests

What are biological tests?

** [3]
 * Examining water, soil, and living organisms to look for chemicals and toxins. [1] The word biological means groups of plants and animals living in the same environment and interacting with each other. [2] Biological tests are used to tell the quality of a area through studying living things [4].

[1] Moran, Casey. Interview with dad. 19 November 2008 [2] Moran, Casey. http://www.ecoagriculture.org/page.php?id=65&name=Glossary 20 November 2008 [3] http://www.the-aps.org/education/k-12misc/images/biology.gif 20 November 2008 [4] Galluzzo, Kaulin, Field Trip Description__**
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