Ключевые слова: animal, background, biology, caudatum, cell, cilia, ciliate, ciliated, ciliates, ciliophora, conjugation, cytoplasm, education, endoplasm, exconjugant, fauna, foot, freshwater, lab, laboratory, life, macro, magnification, micro, microbiology, microorganism, microscope, microscopic, microscopy, nature, nucleus, organism, paramecium, plankton, pond, primitive, protist, protozoa, protozoan, science, singlecell, small, tiny, transmitted, unicellular, vacuole, water, white, zoology,