Ключевые слова: algae, algal, animal, autotrophy, biological, biology, carotenoid, cell, chlorella, chlorophyll, chloroplasts, education, euglena, eukaryote, eukaryotic, experiment, eye spot, eyespot, fauna, filaments, flagellate, flagellum, freshwater, genus, green, lab, laboratory, macro, micro, microbiology, microscope, microscopy, nucleus, organism, pellicle, phototaxis, phytoplankton, pigment, plankton, pond, protists, protozoa, protozoan, pyrenoids, research, science, scientific, singlecelled, under, wildlife,