Across
- 2. plants that reproduce with spores
- 6. part of a plant growing from a stem
- 8. yellow powdery substance necessary for plant reproduction
- 9. gas necessary for photosynthesis
- 10. part of the tree that changes color in Autumn
- 11. a small shoot emerging from a seed
Down
- 1. the outer covering of a tree
- 3. microscopic openings in the pores of a leaf allowing air circulation in plants
- 4. part of a plant seen from above the ground
- 5. a plant that grows very quickly where it is not wanted and covers or kills more desirable plants
- 7. a sharp point on the stem of some plants (such as roses)
- 8. colorful parts of a flower
- 12. substance released this into the air after photosynthesis