Across
- 4. when a plant reacts to its environment
- 7. the reproductive structure of a gymnosperm
- 8. female parts inside of a scale
- 9. as a single cell divides and develops it becomes a ______
- 10. what male cones produce
- 13. each grain of pollen contains two of these
- 14. contains a sticky substance to trap pollen
- 16. responsible for the growth of roots and stems
Down
- 1. formed when the sperm and egg join
- 2. means “to turn or change”
- 3. cone bearing plants that are mainly conifer trees
- 5. the color of female pine cones that are only one year old
- 6. controls the ripening of fruit
- 11. inside the ovules
- 12. auxin is only produced at this tip of the branch
- 15. too much _____ produces too much cell elongation