The gastrovascular cavity functions for exchange and digestion. Most cnidarians are dioecious. Cnidarians have a hydrostatic skeleton. Name the cnidarian class described by each of the following statements. Aurelia is a member.
Members have a gastrozooid body form.
Members have a gonozooid body form. Hydra is a member. All members are marine and include the true jellyfish. Sea anemone is a member. It has freshwater species.