Page 94 - General and Inorganic Chemistry for Advanced Secondary Schools Students Book Form Five and Six
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Biology for Secondary Schools


              Question
              What is the significance of filicinophytes in ecosystems?


              Members  of  division  Filicinophyta  are  called  filicinophytes  or  pteridophytes.
              Examples of filicinophytes are ferns, club mosses, and horsetails, as shown in
          FOR ONLINE READING ONLY
              Figure 5.19. Filicinophytes are much more advanced than bryophytes because
              they have true roots, stems and leaves.




















                          (a)                      (b)                       (c)

                  Figure 5.19: Examples of filicinophytes (a) ferns (b) club mosses (c) Horsetail


              Leaves of filicinophytes are called fronds. Fronds are usually composed of a
              leafy blade and petiole (leaf stalk), as shown in Figure 5.20.


























                                                    Figure 5.20: Fern plant





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