Crayfish Activity Model
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All the distinctive features of the crayfish, including a close-up section of the gills, the “teeth” in the stomach, and the unique musculature of the tail, are clearly displayed on one inexpensive raised-relief plaque. The lateral section shows all the major organs, while the inset details the method of respiration. It includes an activity binder containing lesson plans, copy-masters for student activities, and an overhead transparency. Size: 24”W x 18”H.