Across
- 1. Organic compound containing carbon, hydrogen, and osygen; main source of energy
- 6. Flowering plant whose seeds develop within ovaries
- 7. Tissue produced by the apical meristem
- 9. Diploid plant that produces spores
- 12. Combined petals of a flower
- 13. Plant's response to the period of darkness to which it exposed
- 17. In plants, thin layer of root tissue that takes in water and nutrients
- 20. Specialized tissue that transports water and the products of photosynthesis throughout a plant
- 22. Haploid plant that produces gametes
- 23. Plant's growth responses to light
- 26. Vascular tissue that is responsible for the transport of nutrients throughout the plant
- 27. Plant known as naked seed plant becausse its seeds do not develop within ovaries
- 29. Thick, waxy structure that wraps around an apical meristem to protect the terminal bud
Down
- 2. The switching between the production of diploid and haploid cells
- 3. Female gamete
- 4. Structure located in the second circle of flower parts just inside the sepals
- 5. Female reproductive structure in some plants
- 8. Structure that surrounds a plant embryo and protects it and its food supply from dying out
- 10. Plant to which a scion is grafted
- 11. Plant that grows roots, stems, and leaves in its first growing season, then flowers and dies in second season
- 14. Organism at an early stage of development
- 15. Transfer of pollen from the anther of a stamen to the stigma of a pistil
- 16. Angiosperm whose seed has two cotyledons
- 18. Are a group of plants that include mosses, liverworts and hornworts
- 19. Base of the pistil that contains ovules and developing gametophytes
- 21. Noncellular protective coating on the exterior surface of an organism
- 24. Xylem tissue that no longer conducts water but gives strength and support to a stem
- 25. Complex polymer of amino acids that builds and repairs cells
- 28. Male gamete
- 30. Structure in the outermost circle of the flower