Definition of ribbon worm in English:

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ribbon worm

noun

A chiefly aquatic worm with an elongated, unsegmented, flattened body that is typically brightly coloured and tangled in knots, and a long proboscis for catching food.
Example sentences
  • These include the sea star Odontaster validus, the sea urchin Sterechinus neumayeri and the ribbon worm Parborlasia corrugatus; all of which produce eggs
  • In many ribbon worms and echinoderms, metamorphosis is remarkably rapid, with the major changes from larval to adult body form taking less than half an hour.
  • Bootlace worm: These slender ribbon worms are usually around 5m long when fully extended, but they can reach up to 30m.
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