protozoa anatomy

education green algae fauna volvox scientific spherical botany flora life microscope photosynthesis colonial design phytoplankton freshwater micro biology cell macro art nature chlorophyll seaweed water aquarium environment plant science biological microscopic fresh chlorophyta daughter schema protistm stigma membrane scheme anatomy white background eukaryotic singlecelled cytoplasm red flagellum protist drawing nucleolus unicellular microorganism microbiology organism vector chloroplast chlamydomonas isolated zoology endoplasm contractile vacuole pyrenoid animal protista single diagram structure protozoa papilla reinhardtii ectoplasm flagellate nucleus organelle eyespot protozoan