22) moves using an undulating membrane connected to a flagellum

The answer is "Trypanosoma". The word "Trypanosoma" comes from the Greek words trypanon and soma, which means auger and body, or auger body. A Trypanosoma moves through an undulating membrane connected to a flagellum. Trypanosoma comes from a genus of kinetoplastids, it is known to be a monophyletic cluster of single-celled parasitic flagellate protozoa.