Across
- 3. A zygote that has divided and started developing
- 5. reproductive structure of a gymnosperm
- 6. Protect the flower while it is developing
- 9. cone-bearing plants that are mainly conifer trees
- 11. Flowering Plants
- 13. Traps pollen grains in a sticky substance
- 15. Male cones produce this to flourish other plants
Down
- 1. A single cell formed when an egg and sperm join
- 2. When the plant reacts to its environment
- 4. Chemicals that control the ripening of fruit
- 7. male part of the flower
- 8. Brightly colored in order to attract insects
- 10. Two of these in every grain of pollen
- 12. A female part that contains eggs
- 14. Hormone responsible for the growth of roots and stems