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PLANT DIVERSITY TABLE Bryophyta Pterophyta Coniferophyta Anthophyta Dominant Generation Gametophyte Sporophyte Sporophyte Sporophyte Gametophyte structure Independent, leafy thallus Small independent thallus Dependent, reduced Dependent, very reduced Gametophyte sex determination ♀ or ♂ Genetic Hermaphrodite or ♂ Hormonal ♀ or ♂ Homeogenetic ♀ or ♂ Homeogenetic Sporophyte structure Small, dependent (placental) Large, independent, grows from G’phyte Large, independent, from seed Large, independent, from seed Sporangia location Capsule on stalk Sori Cones Flowers Spores Homosporous Homosporous Heterosporous Heterosporous Vascular tissue No Yes Yes Yes Seeds No No Yes Yes Pollination -- -- Direct, Wind Indirect, Wind or animals Seed Nutritive tissue -- -- ♀ G’phyte Endosperm Seed dispersal -- -- Wind Wind or Animals # Seed leaves -- -- 7-8 1 or 2
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