Sarcomastigophora

Information from Wikipedia on this protozoan parasite that inhabits the gut, its life cycle, how the infection manifests itself and how it can be prevented and treated.

Article from Wikipedia on this single-celled organism, its habitat, anatomy and reaction to outside stimuli such as changes in salinity.

Description and significance, genome structure, cell structure, metabolism and ecology.

Information on Giardia intestinalis (or Giardia lamblia) which is a human pathogen, and diagrams and information on the life cycle of this protozoan flagellate.