1. what traits do cnidarians have with all other animals? 2. which would be considered more advanced, a hydra or a jellyfish? give 2 reasons. 3. contrast these body forms: polyp and medusa 4. how do cnidarians protect themselves? 5. what is asexual reproduction? why is it an advantage for an organism to have asexual reproduction? 6. since cnidarians do not have lungs/gill how would they get oxygen from the water? 7. describe any response to stimuli a cnidarian has. 8. what role do cnidarians have in the environment? 9. what job(s) do these parts of a cnidarian have? a. cnidocytes b. gastric cavity c. ectoderm-outer cell layer of a cnidarian d. nematocyst e. inner cell layer of a cnidarian