protist cell anatomy with euglena microorganism structure outline diagram

protist cell anatomy euglena organism microorganism structure biology vector illustration microbiology science unicellular green diagram education zoology algae nature microscopy small bacteria educational scheme description inside stigma eyespot flagellum contractile vacuole plant membrane chloroplast photoreceptor golgi apparatus mitochondria endoplasmic reticulum nucleolus nucleus carbohydrate genus flagellate eukaryote outline concept labeled