Caption: A blade of grass with a serrated edge. Plants evolve specialized physical and chemical characteristics in natural defense against stresses in their environments. The sharp saw-toothed edge of a blade of grass protects against herbivores.
Magnification*: x50
Type: SEM
Keywords: 20375B.TIF plants plant leaf grass blade serrated edge hair trichome SEM |

*(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)