Single, prepared microscope slide showing both young and mature Ranunculus roots. Cross section. The combination slide allows for a comparison of young and mature dicot roots. It is great for biology classrooms to explore structure-function connections as per NGSS standards. Arrives in protective cardboard casing. Each slide measures 75mm (3") wide, 25mm (1") long, and 0.06" in height. Expertly prepared and labeled for easy identification. All materials in Eisco Labs slides are completely inert and sealed in glass.