$3.00/ Each
4-H-1018-MThese flash cards, designed for use on mobile devices, show aquatic insects that can be used as bioindicators of water quality in Indiana waterways. Bioindicators are biological systems that are sensitive to environmental changes and, therefore, can indicate when pollution is present in the water. 80 cards.
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10/3/2012
Julie Speelman, Natalie Carroll