Across
- 3. grapevine stems climbing a wood lattice is an example of which tropism
- 5. this plant hormone causes fruit to ripen
- 6. auxins and cytokinins are the 2 horomones that most affect the ___ of a plant
- 9. this type of plant needs wind for fertilization so the pollen can travel from the male cones to the female cones
- 11. the entire male part of the flower
- 14. this type of plant is not affected by the length of day
- 15. the sticky top of the carpel that receives the pollen
- 16. the structure that contains one or more ovules at the base of the style
- 18. a plant growing toward a light source is an example of ___
- 21. the plant organ that demonstrates positive gravitropism
- 22. the ovary of an angiosperm develops into a ___
- 23. consists of the stigma, style, and ovary
- 25. the part of a moss plant that produces spores
- 26. in ferns, this is the stage of the life cycle we most often see
- 27. the often colorful structure that helps attract insects and birds
Down
- 1. these cause plant cells to grow in size, stop growing, and divide
- 2. the blooming of ___ plants depends on conditions such as temperature and moisture
- 4. seedless plants require ___ for reproduction
- 7. the repeating cycle of gametophyte and sporophyte structures
- 8. gymnosperms produce spores and seeds inside ___
- 10. a seed ___ when the right temperature, right moisture and other conditions occur
- 12. the pollen-producing structure on the top of the filament
- 13. the leaflike structure around the petals that protects the developing flower
- 17. this plant hormone acts as an inhibitor to the other hormones
- 19. poinsettias need at least 13 hours of darkness to bloom. Therefore, they are ___ plants
- 20. the structure that allows gametes to travel down through the style to the ovary
- 24. the entire female part of the flower