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Tag: Polyp

Adaptations Biology Mating & Reproduction Organisms

Are Jellyfish Immortal?

RR Helm July 2, 2013 buddingdeathHydraimmortalityjellyfishlifespanlongevityPolyp

A species of jelly, Turritopsis dohrnii, is able to cheat death, curling into a ball (signaling the end for most species), only to grow from its own shriveled remains…

View More Are Jellyfish Immortal?
Adaptations Organisms Pictures and Movies

TGIF: Portuguese Man-O-War Feeding

Dr. M July 8, 2011 CnidariafeedingpneumatophorePolypPortugese Man-O-WarePredationzooids

Despite being stung by one of them on a Gulf beach as a kid, Portugese Man-O-War’s are still one of my favorite organisms.  Hat tip…

View More TGIF: Portuguese Man-O-War Feeding
Adaptations Conservation & Environment New Research Organisms

Hydromedusa Mounts Ninja Style Invasion

Kevin Zelnio June 30, 2008 AsexualBallastBest of ZelnioDispersalGeneticsHeterochronyHydroidHydromedusaInvasionMedusaPhenotypic PlasticityPolypReproductionTransdifferentiationTurritopsis

Dr. Maria Pia Miglietta, a postdoc in my lab at Penn State, just published a fascinating paper on a “silent invasion” happening around the world’s…

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