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Grasshopper Anatomy and Dissection GRASSHOPPER ANATOMY & DISSECTION Introduction: In this lab, you will observe the external anatomy of a preserved grasshopper, locate structures and label a diagram. Internal anatomy is optional and can be observed after you have completed the external anatomy of the grasshopper. PreLab Questions (use your book or other references) Grasshopper Dissection | Carolina.com - Carolina Biological Grasshopper Dissection · Three distinct body regions—head, thorax, and abdomen · Three pairs of legs · One pair of antennae. Grasshopper Dissection Lab - millerSTEM Grasshopper Dissection Procedure: Part A—External Structure 1. Place the grasshopper in the dissecting pan. Locate the head, thorax, and abdomen. (See Figure 1.) Use your hand lens to observe the grasshopper carefully. As you observe, record your data in Observations. 2. Observe the parts of the head. Grasshopper dissection diagram