This set of 22 full-color, laminated cards features photos of freshwater aquatic macroinvertebrates in both immature and adult stages. Designed to help students understand the life cycle and habitats of unique aquatic life forms, this flash card set can be used as an extension of our Macroinvertebrate Identification Cards Set (item# 284555). Includes a teacher's manual containing facts on insect characteristics, such as life cycles, taxonomy, food webs, and how macroinvertebrates can be indicators of water quality. Additional instructions for recommended activities are also included.