Across
- 3. the male cones produce something called ?
- 4. only one of the ______ sperms can enter the egg?
- 5. hormone responsible for the growth of roots/stems
- 6. when a plant reacts to its environment
- 10. cone bearing plants & are mainly conifer trees are ?
- 12. in a sticky substance at the base of each ?
- 14. the reproductive structure of a gymnosperm is ?
Down
- 1. the response to light is ?
- 2. The pollen grains that land on the female cones become ?
- 3. ______tree sperm cant swim
- 7. The ovule around the embryo turns into protective covering with a ?
- 8. A "single cell"
- 9. inside the ovules are ?
- 11. As this single cell divides & develops we no longer call it a zygote but an?
- 13. The___ don’t have to start growing immediately