Euglena (a flagellate)

This organism was found in a pond in Flagstaff, Arizona.

This specimen is probably Euglena cyclopicola.


  • How does this single-celled organism move?
  • Can you think of other types of movement that are similar to the one you see here?
  • How are the flagella (the long hair-like fibers) arranged and how do they help move this organism?
  • Can you find any cycles in the video? How do these cycles compare to other cycles you know about?
  • What else can you find out about this critter?

©2010 by Jeffrey W. Bloom


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