microscopic view of paramecium bursaria showing symbiotic algae chlorella

microorganisms microorganism magnification endosymbiosis microbiology relationship biodiversity microscopic exploration interaction paramecium microscopy biological background scientific freshwater laboratory experiment symbiotic chlorella generated symbiosis education discovery eukaryote mutualism ecosystem bursaria organism colorful abstract research protozoa showing biology science texture pattern ciliate aquatic single celled living inside nature detail algae close green view cell life pink pond