Across
- 3. A loosely packed layer of cells in a leaf where gas exchange takes place
- 6. A plant response to environmental factors which is controlled by plant hormones
- 11. Plants with a vascular system
- 12. Small openings in the bark of young stems for gas exchange
- 13. A plant response to light
- 18. An opening for gas exchange in the lower epidermis of a leaf
- 19. Structures in which spores are made
- 20. Plants with seeds inside a fruit; flowering plants
- 23. Thick layer of dead cells on the outside of woody stems
- 24. Process of cell division in which two complete cells are formed
- 26. Algae and fungi growing together in a mutualistic relationship
- 27. A layer of tall cells in a leaf where most photosynthesis takes place
- 28. Third stage of mitosis
- 30. A plant response to gravity
- 32. Storage cells in the center of a plant stem
- 33. A short, enlarged, underground stem specialized for food storage (ex: potato)
Down
- 1. A storage area for starch in algae
- 2. An underground, horizontal stem that can produce a new plant
- 4. A waxy, transparent layer on a leaf used for protection
- 5. Process of a plant beginning to grow
- 7. First stage of mitosis
- 8. Final stage of mitosis
- 9. Land plants with no vascular system
- 10. Second stage of mitosis
- 14. The process of water evaporating from a plant
- 15. A class of seedless plants (ex: ferns)
- 16. Plants with seeds not inside a fruit
- 17. The fan-like leaf of a fern
- 21. Plant hormones
- 22. Straw-like cells that carry water and minerals upward in vascular plants
- 25. Tube-like cells that transport food in a plant
- 29. Fourth stage of mitosis
- 31. The kingdom containing autotrophic organisms with cellulose cell walls
- 34. A short underground stem with enlarged leaf bases for food storage