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Hydra loses its immortality after cold triggers switch to sexual reproduction

October 6, 2026 · 9:00 pm 1 sources

Image: Phys.org

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  • Hydra loses its immortality after cold triggers switch to sexual reproduction
    Phys.org · October 6, 2026 21:00
    The freshwater polyp Hydra oligactis is essentially immortal and reproduces asexually by cloning itself. Except when it gets too cold: then the animal switches to sexual reproduction, begins to age, and eventually dies. A research team at the University of Innsbruck has now investigated the…

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