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Image of feather duster worms filtering plankton from the seawater
© Corel Corporation
  Image 4-9
Feather Duster Worms

The feather duster is actually a small worm with feather-like appendages. The worm uses the feathery filaments to filter microscopic organisms from the seawater. When danger threatens, these worms will quickly pull their feathers inside their protective tubes in the blink of an eye.

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