Students examine the external anatomy of a crayfish, focusing on the body plan, mouthparts, and the appendages. Includes instructions and labeling.
This simple activity was designed for intro level biology (life science). Students read about different types of arthropods and learn what characteristics they share, such as an exoskeleton and segmentation. Then they reading focus on specific groups: insects, arachnids, crustaceans and centipedes. The goal is for them to learn that each group has a…