ScienceDesk, to evolution
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500 million years ago, the world was a very different place. Basically all life lived in the water. One of these creatures was a group of predatory worms with throats covered in spines, hooks and teeth to trap their prey, NPR reports:
https://www.npr.org/2024/04/17/1198909728/ancient-history-predatory-worm-evolution-cambrian-ordovician

#Evolution #Worm #NewSpecies #CambrianPeriod

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