The details of the moon jellyfish come into sight as the lights go out and the flashlights are focused on them. The reproductive system which looks like a flower is visible to the students from the dorsal side and the wavy oral arms float on the ventral side. Students follow their procedure sheet and learn  about this peculiar animal that contains nematocysts, a gastric cavity, and marginal tentacles. They investigate the complexe reproductive system, locomotion and digestion.