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A hydra protects itself primarily through its stinging cells called cnidocytes, which contain specialized structures called nematocysts that can inject toxins into predators. When threatened, the hydra can quickly retract its tentacles and use these stinging cells to deter or incapacitate potential threats. Additionally, its ability to regenerate allows it to recover from injuries, enhancing its survival against predators. The hydra's simple body plan and ability to move away from danger also contribute to its defensive strategies.

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11mo ago

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Was the hydra mortal?

hydra are organism which have ability to divide it self by budding or simply dividing itself in two so that the two new hydra formed are exactly same genetically and physiologically as the parent hydra so they are called immortal


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Hydra will retract their tentacles into their body stem when touched. This is a response inherent in the plants from many centuries ago. Hydra do not like to be touched and close to protect themselves.


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The green pigment in hydra organisms, called "hydra-chlorophyll," is not produced by the hydra itself but is obtained from the algae that live symbiotically within its cells. This pigment allows for photosynthesis to occur within the hydra and provides energy for the organism.


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