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The larva develops into the hydroid stage of the lifecycle, a tiny sessile polyp called a scyphistoma.
en.wikipedia.org In contrast, many jellyfish develop as sessile polyps early in their life cycle.
en.wikipedia.org They have two basic body forms: swimming medusae and sessile polyps, both of which are radially symmetrical with mouths surrounded by tentacles that bear cnidocytes.
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www.zmt-bremen.de A peculiarity of these sessile animals is their pulsating movement – could this be the key to their success?
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Eine Besonderheit dieser sesshaften Tiere sind ihre pulsierenden Bewegungen – liegt darin der Schlüssel ihres Erfolgs?
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www.zmt-bremen.de A peculiarity of these sessile animals is their pulsating movement – could this be the key to their success? more …
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Eine Besonderheit dieser sesshaften Tiere sind ihre pulsierenden Bewegungen – liegt darin der Schlüssel ihres Erfolgs? weiter …
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