Across
- 2. plants whose seeds contain one cotyledon
- 4. Most gymnosperm seeds are protected by this
- 5. a non flowering seed plant
- 7. Part of a flower that "grabs" onto the pollen grain
- 8. Helps an organism survive in it's environment
- 11. the transfer of pollen from the anther to stigma
- 15. plants that move towards the stimulus of water
- 17. an undeveloped plant and stored food
- 18. the outer covering of a seed
- 20. These help conifers hold on to water
Down
- 1. a leaflike structure in a seed that stores food
- 3. Most angiosperm seeds are protected by this
- 5. bending with the pull of gravity
- 6. Moss and liverworts do not have this system
- 9. A name for an immature plant
- 10. a flowering seed plant
- 12. bending of a plant to or away from a stimulus
- 13. The smell of a plant attracts this
- 14. anything in the environment that produces a response
- 16. the bottom part of the female pistil of a plant
- 19. Many seeds are dispersed by this
- 21. Angiosperm whose seeds contain two cotyledons