Anton van Leeuwenhoek I think.
The animalcules that Leeuwenhoek saw were actually microorganisms. Van Leeuwenhoek called protozoa or bacteria he observed wee beasties and animalcules.
They are called so beecause thes have no cell structure
Austin 333
protozoans!!!!!!!!!!!
No, Anton Van Leeuwenhoek called protozoan animalcules, which pond water is a type of protozoan
protozoans
jfudyrdyr
protozoans!!!!!!!!!!!
test
sarcodinians
protozoans
a 100 pile of lakes.