Angiosperms, the flowering plants, are the most highly evolved plants and the most dominant in present times. The cells of angiosperms are prearranged into different tissues and organs. The three main organs of flowering plants are roots, stems, and leaves. All the flowering plants are basically divided into two major groups or classes, the Dicots and the Monocots based on a variety of the structural appearance. Most of these features can be identified with the …showed first 75 words of 762 total…

…showed last 75 words of 762 total…into and out of leaves by the way of vascular bundles which are known in leaves as veins (xylem and phloem) . Veins are conspicuously different in monocots and dicots. In monocots the major veins are usually parallel and in dicots the veins are usually netted. Gases (o2 and co2) move into and out of leaves by diffusion through stomata. Stomata consist of a small opening or pore, guard cells, which open and close the pore.