Ключевые слова: algae, biological, biology, botanic, botanical, botany, cell, chlorophyll, chloroplast, closeup, detail, education, educational, flora, freshwater, green, lab, laboratory, life, macro, magnification, micro, microbiology, micrograph, microscope, microscopic, microscopy, natural, nucleus, organic, organism, pattern, plant, primitive, reproduction, research, science, scientific, section, structure, texture, transparent, under, water,