Bryophytes are known as non-vascular plants. what makes them non-vascular? absence of xylem and phloem inactive xylem and phloem active xylem but inactive phloem

liquid crystals are matters in a state which have properties between those of conventional liquids and those of solid crystals[1]. liquid crystal is partially ordered and anisotropic. in terms of molecular order, liquid crystal molecules have one-dimensional or two-dimensional long - range order.