We all depend on them - we would starve to death without them. Here are some examples from the hindguts of cockroaches, of termites, and from the human colon. You are welcome to download the images. The files include annotations, providing you with some neccessary informations. If you want to see them first, click on ann .
Comments are welcome.
Phase contrast micrograph. The same view of the ciliate, after illumination with UV-light. The blue autofluorescence indicates the presence of methane producing bacteria within the protist. An almost pure culture of bacteria isolated from the hindgut. Bacteria of many different shapes are sitting on the wall of the hindgut of the termite.