three types of algae: asterionella, anabaena, euglena

alga algae anabaena animal archaea asterionella bacteria biology chloroplast different diverse euglena eukaryote eukaryotic filament food freshwater grass green group illustration informal isolated kelp lake large leaf marine medicine nature ocean organism organisms oxygen photosynthesis photosynthetic plankton plant protozoa river seed spores term three types water weed zooplankton