Biology - Chapter 22 Crossword
Across
- 2. matured angiosperm ovary, usually containing seeds
- 4. The multicellular haploid (N) phase
- 6. ________ colony are connected to one another by strands of cytoplasm, enabling them to communicate
- 7. carry water and nutrients upward from the soil and distribute the products of photosynthesis throughout the plant body
- 11. The transfer of pollen from the male reproductive structure to the female reproductive structure is called _____________
- 12. male parts of the flower
- 14. carry out photosynthesis
- 21. During ______, a sperm and egg fuse with each other, producing a diploid zygote
- 24. flowering plants
- 25. is a freshwater alga that forms long, threadlike colonies
- 26. are produced in archegonia
- 28. transports solutions of nutrients and carbohydrates produced by photosynthesis
- 29. The multicellular diploid (2N) phase
- 30. have a thin, waxy coating that makes it possible for them to resist drying
- 31. the structures in which the female gametophytes develop
Down
- 1. are hollow tubelike cells with thick cell walls strengthened by lignin
- 3. are named after the tracheid cells that are found in xylem, a tissue that carries water upward from the roots to every part of a plant.
- 5. single carpel or several fused carpels
- 8. two seed leaves
- 9. a colony that are stacked almost like soda cans placed end to end
- 10. innermost floral parts
- 13. one seed leaf
- 15. outermost circle of floral parts
- 16. marks the beginning of the sporophyte stage of the life cycle
- 17. takes place when the growth of the embryo resumes and the seed sprouts into a plant
- 18. surround and protect the seeds
- 19. have specialized reproductive organs enclosed by other, nonreproductive cells
- 20. a plant embryo and a food supply that are encased in a protective coating
- 22. are formed in reproductive structures at the tips of the gametophyte
- 23. nutrients in the soil needed for plant growth
- 27. are produced in antheridia
- 28. often brightly colored, found just inside the sepals