Introduction to freshwater invertebrates / James H. Thorp and Alan P. Covich -- An overview of freshwater habitats / James H. Thorp and Alan P. Covich -- Protozoa / William D. Taylor and Robert W.
In this outdoor activity, your class will go on a bug hunt and become zoologists. They will come up with their own classification systems to sort common invertebrates into groups. This activity can be ...
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