Introduction to Plants

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Across 3. Seed plants whose seeds are not found in a sealed container (fruit) 4. Nonreproductive part of a plant 6. Cells that border the stoma, help open and close stoma 9. Waxy layer, does not allow gas exchange 10. Seed plants that flower 11. Pigment involved in photosynthesis 14. Plants probably evolved from these protists 16. System that distributes water and nutrients in some plants 19. Contains the embryo of the plant 20. Pores that allow gas exchange 21. Part of plant body that grows downward 22. Hairlike projections of nonvascular plants

Down 1. Lack true roots, stems and leaves and are small in size 2. Conversion of light energy into chemical energy 5. Organisms who produce their own food 7. Part of plant body that grows upward 8. Flowering plants produce seeds with two seed leaves 11. Grasses that are grown as food and eaten by humans and livestock 12. Members of the pea family include peas, beans, and peanuts 13. type of edible dry fruit, rice, corn and wheat 15. Provide protection for developing seeds, promote seed dispersal 17. Flowering plants that produce seeds with one seed leaf 18. Reproductive structure that produces pollen and seeds

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