Across
- 2. small stalk attaching blade to stem
- 4. plants that live for two years
- 6. waxy substance
- 9. living tissue that carries sugar and organic substance to the plant
- 10. produces the majority of oxygen
- 13. very tip of the blade
Down
- 1. tissue that does photosynthesis
- 2. plants that grow year after year
- 3. small leaflike growths
- 5. the study of plants
- 7. protective surface layer of cells
- 8. nonliving tissue carries nutrients from roots to leaves
- 11. plants that live for only one year
- 12. primary portion of the leaf