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gymnosperm, any vascular plant that reproduces by means of an exposed seed, or ovule —unlike angiosperms, or flowering plants, whose seeds are enclosed by mature ovaries, or fruits. The seeds of many gymnosperms (literally, “naked seeds”) are borne in cones and are not visible until maturity. Taxonomists recognize four distinct divisions ...
Over 2000 of the plants found in Kansas are vascular flowering plants. Vascular plants have true leaves, stems, and roots. They have a xylem layer that transports water and nutrients. Flowering plants reproduce by enclosed seeds – an egg is enclosed in the pistil and is fertilized by the pollen. These plants are pollinated by insects, wind ...
Mar 21, 2022 · The main characteristics of non-vascular plants are the absence of vascular tissues, the xylem, and the phloem. It means non-vascular plants do not have the mechanism required for transporting food and water at greater heights and thus cannot grow tall like vascular plants. Hence, there is a difference between vascular and non-vascular plants.
Nonvascular plants that live today include liverworts, mosses, and hornworts—collectively and informally known as bryophytes. Nonvascular plants are characterized by a lack of extensive vascular tissue, and have no true roots, leaves, or stems. Another trait of this group is the use of spores rather than seeds to reproduce, and a life cycle ...
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Dec 11, 2015 · Mosses (division Bryophyta) may be the nonvascular plants most closely related to vascular plants, although, like other nonvascular plants, their gametophytes are dominant. Sporophytes are usually stalked capsules which grow upward from female gametophytes. Mosses grow in dense clumps which retain necessary moisture.
Apr 23, 2022 · Nonvascular seedless plants examples. Nonvascular seedless plants lack seeds and vascular tissue both. These are the kind of plants like simple, nonflowering, very low growing. They lack conducting channels. Nonvascular plants examples are bryophytes, common liverwort etc. Bryophyta, Marchantiophyta, Anthocerotophyta are the main types of this ...
