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b112_Lecture_30 - (derivedfrom...

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2/19/2008 1 BIOL 112 – Chapter 30 The Seed Plants The Uniqueness of Seeds Seed contains the embryo (derived from female gametophyte) and is for dispersal. Pollen contains the male gametophyte. Gametophytes in seed plants are never free living. Gymnosperms Gymnosperm = naked seed Lack ovaries in which seeds can develop 4 divisions: Cycadophyta Ginkgophyta Gnetophyta Coniferophyta
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