Like a large balloon
flagellum, tooth, tentacle
sparkle of the sea
(H/T to the photo by alexandra, as found on PlanktonNet, an open access repository for plankton-related information.)
with the mushroom-shape deep bell
lovely, warts and all!
(H/T to the photo of Otto Larink, on the same site. I am so happy to have found a site with Creative Commons photos on it.)