1
									2		3
				4
	5
									6									7
						8
9		10											11
																12					13
									14		15
		16
																17
					18
																		19
20
	21
								22

Across 4. Pigment involved in photosynthesis 5. Part of plant body that grows downward 6. Organisms who produce their own food 9. Plants probably evolved from these protists 14. Seed plants that flower 16. Flowering plants produce seeds with two seed leaves 17. Flowering plants that produce seeds with one seed leaf 18. Grasses that are grown as food and eaten by humans and livestock 20. System that distributes water and nutrients in some plants 21. Pores that allow gas exchange 22. Seed plants whose seeds are not found in a sealed container (fruit)

Down 1. Reproductive structure that produces pollen and seeds 2. Lack true roots, stems and leaves and are small in size 3. Part of plant body that grows upward 4. Waxy layer, does not allow gas exchange 7. Contains the embryo of the plant 8. Nonreproductive part of a plant 10. Cells that border the stoma, help open and close stoma 11. Conversion of light energy into chemical energy 12. Members of the pea family include peas, beans, and peanuts 13. Hairlike projections of nonvascular plants 15. type of edible dry fruit, rice, corn and wheat 19. Provide protection for developing seeds, promote seed dispersal