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Howard Hughes Medical Institute
Hhmi: Bio Interactive: Polyp Removal
A close-up look at the removal of a polyp. [0:36]
Sea Studios Foundation
Shape of Life: Cnidarian Animation: Polyp and Medusa
Cnidarians come in two basic shapes. An anemone is the polyp shape. If the polyp shape is turned upside down, it becomes the medusa shape of the jellyfish. [1:16]