https://www.shapeoflife.org/lesson-plan/sol/cnidarian-adaptations [Web Link]
In this lesson plan students explore the origins of muscles, nerves, and other animal adaptations through a study of the fascinating phylum Cnidaria. They will have the opportunity to observe the predatory organisms, including sea anemones and jellies and their amazing adaptations that they use to catch prey, defend themselves, etc. in one or more Shape of Life video segments.