biology science landing page template. scientist male character working on laptop reading information of protozoa

protozoa unicellular scientist microbiology landing page biology scientific protozoology bacteria character lab coat working laptop reading information learning paramecium caudatum laboratory science people vector man human person organism microorganism protist amoeba virus cell bacteriophage germ protozoan bacillus paramecia disease parameciidae microbiota infectious bacterium microscopic microscopy computer template concept cartoon illustration