Microbial overview, Ape Cave wall colonies. Note extensive fuzzy microorganisms, rods, and extensive drapey folds of biofilm. SEM by M. Spilde & P. Boston.
Closeup of microorganisms, Ape Cave. The extreme furriness of these organisms makes it difficult to adequately coat them with the Au/Pd metal coating necessary for SEM work, thus a sharp focus at high magnification is challenging. M. Spilde & P. Boston