Topic

Echinoderm

2 facts

  • Animals140 views

    Sea Stars Can Regenerate An Entire Body From Just A Single Arm

    Provided a portion of the central disk is still attached, a sea star can regrow lost limbs or even an entirely new body from a severed arm. This remarkable ability is a powerful defense mechanism against predators and a form of asexual reproduction for some species.

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  • Odd85 views

    Sea Cucumbers Can Expel Their Internal Organs to Escape Predators

    When threatened, some species violently eject their sticky, often toxic, respiratory organs and digestive tract through their anus. They can then regenerate these lost organs within weeks, a remarkable and bizarre survival strategy in the deep sea.

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