Ключевые слова: abstract, art, bacterium, bio, biological, biologist, biology, cell, chemical, chemistry, color, design, dna, drop, element, flat, formula, geometric, human, icon, lab, laboratory, leaf, lesson, life, living, logo, logotype, medicine, molecular, molecule, natural, nature, organic, organism, photosynthese, product, protozoan, research, science, scientific, scientist, shape, sign, substance, symbol, technology,