Across
- 4. cells that open and closes stoma
- 5. period of inactivity in plants
- 7. plant development turns a new plant into a ____ plant
- 9. seed dispersal occurs after seed ____
- 11. when pollen transfers from stamen to pistil
- 13. when roots grow toward water
- 15. gravitropism is when ____ grow downward
- 16. during fertilization, ____ combines with an ovule
- 18. small holes on leaves
Down
- 1. food and ____ are produced during photosynthesis
- 2. carbon dioxide, ____, and usable energy are produced during respiration
- 3. seed dispersal can move seeds by ____, water, or animals
- 4. when a plant grows out of a seed
- 6. green pigment that absorbs sunlight
- 8. location of photosynthesis in plant cells
- 10. stems and leaves grow toward light
- 12. a plant’s growth response to a stimulus
- 14. thigmotropism is a plant’s response to ____
- 17. plants lose water ____ during transpiration
- 19. this turns into a seed after fertilization