Ключевые слова: abstract, animal, art, background, biology, caudatum, cell, cilia, ciliate, college, division, drawing, education, fauna, graphic, illustration, lab, laboratory, lesson, life, light, macro, magnification, medical, micro, microbiology, microorganism, microscope, microscopic, microscopy, nucleus, organism, paramecium, plankton, pond, primitive, protozoa, protozoan, school, science, single, small, tiny, training, transmitted, unicellular, water, white, zoology,