Rotifer testudinella

This organism has wheel-like arrangements of cilia for capturing food. It was collected from a pond in Flagstaff, Arizona.


  • How does this organism move?
  • Can you think of other types of movement that are similar to the one you see here?
  • How does this organism's movement compare to other organisms?
  • Can you find any cycles in the video? How do these cycles compare to other cycles you know about?
  • What is the advantage to this organism for having a tube-likel shape? How does this critter use its shape?
  • What else can you find out about this critter?

©2010 by Jeffrey W. Bloom


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