Across
- 1. tiny grain of pollen contains two ___ cells
- 4. inside ovules are
- 5. a single cell
- 7. reproductive structure of gymnosperm
- 10. single cell that's divided and developed
- 11. plants reaction to its environment
- 13. than female male cones are ______
- 14. hormone responsible for the growth of roots and stems
- 15. two female parts on each scale
Down
- 2. cones can be _______
- 3. male cones are ___
- 6. cone-bearing plants and mainly conifer trees
- 8. male cones produce
- 9. chemical made by plants controlling ripening of fruits
- 12. of scale where the pollen grains get trapped at on female cones
