Aquatic Macroinvertebrate Dichotomous Key

ITEM #423x
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Spiral bound dichotomous key for identification of aquatic macroinvertebrates to order and some families level. Color-coded based on Pollution Tolerance level. Includes glossary, body part illustrations and size reference. Water resistant for field or indoor use. Enhancement to Leaf Pack Stream Ecology Kit. English and Spanish. Set of six.