Ключевые слова: agriculture, background, biology, botanic, botanical, botany, cell, cross, cs, cut, detail, education, educational, flora, flower, green, ground, grow, isolated, lab, leaf, life, light, macro, micro, micrograph, microscope, microscopic, natural, nature, optical, organic, phloem, photo, photomicrograph, photomicroscopy, plant, research, science, scientific, section, seen, slice, slide, stem, tissue, tree, vascular, white, xylem,