Paramecium symbol, black isolated vector silhouette

paramecium, microorganism, protozoa, biology, microscopic, cell, science, microbiology, organism, aquatic, cilia, nucleus, laboratory, research, unicellular, microscope, education, anatomy, water, movement, eukaryote, natural, specimen, scientific, pondlife, ecology, transparent, structure, organismal, academic, culture, detailed, realism, investigation, tinyorganism, cytoplasm, membrane, lifeform, biologyclass, microbiologist