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With xylem and phloem bringing
                                                                  water, minerals, and food up to the
                                                                  parts of the plants that needed it,
                                                                  these plants had the ability to grow
                                                                  very tall.  Many of did, but the

                                                                  large vascular seedless plants are
                                                                  mostly extinct now.  Those
                                                                  vascular seedless plants that
                                                                  remain tend to be small.  Ferns are
                                                                  the most common of this group of
                                                                  plants.  They are found in
                                                                  environments ranging from aquatic
                                                                  areas to tropical rainforests.  Other
                                                                  vascular seedless plants are shown
                                                                  below.
























               Figure 5 – Moss (top) can be found on the
               trunks of trees in the forest. Hornworts
               (center) are found in moist areas.
               Liverworts (bottom) are found along
               riverbeds.
                                                                  Figure 6 – The club moss (upper left), fern
               Vascular Seedless Plants                           (upper right), horsetail (bottom left), and
                                                                  whisk fern (bottom right) are vascular
                                                                  seedless plants.
               Based on their name, you can
               probably figure out that vascular                  Some seedless plants are used by
               seedless plants have vascular                      people today.  Sphagnum, or peat
               tissues, but don’t have seeds.                     moss, is used to improve soil,




               © 2011 Supercharged Science                                      www.ScienceLearningSpace.com

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