1 Modern biologists describe protozoa as microscopic eukaryotic organ- isms with a capacity for establishing themselves in almost every con- ceivable habitat provided it contains moisture in some form. In 1674 at the time when Antony von Leeuwenhoek was making his first observations of 'very small animalcules' in Berkelse Mere near his home town of Delft, this concept of the ubiquity of protozoa would have been difficult to comprehend. Leeuwenhoek's curiosity later led him to examine the body fluids, gut contents and excreta of different animals and to describe 'an inconceivably great company...
1 Modern biologists describe protozoa as microscopic eukaryotic organ- isms with a capacity for establishing themselves in almost every con- ceivable ...
