"live microorganisms"
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Ward's® Effects of Solar UV Radiation on Cells Lab Activity
Dramatic Results Mimic Effects of Sun on Living Tissue
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Ward's® Effects of Drugs on Daphnia Kit
Simple, Effective Investigation Uses Living Specimens
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Ward's® Encounters of the Worst Kind: Water Pollutants and a Living Organism Lab Activity
Investigate Water Pollution in the Same Way That States Do
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