14.3 The Life Cycles of Plants

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Across
  1. 1. The stalk that connects a flower to the rest of the plant.
  2. 6. The diploid stage in the alternation of generations life cycle of plants during which spores are produced.
  3. 8. A structure within a plant seed that nourishes the developing embryo and may, upon germination of the seed, become the seedling's first leaves.
  4. 10. The stored food inside a plant seed.
  5. 13. The thickened top portion of a pedicel that supports the actual parts of a flower.
  6. 14. The male reproductive structure of a flower; produces pollen.
  7. 15. The leaflike structure that protects a flower bud during formation and supports the flower after blooming.
  8. 17. The haploid stage in the alternation of generations life cycle of plants during which gametes are produced.
  9. 18. The leaf of a fern plant.
Down
  1. 2. In plants, the fertilization of both the egg cell and the polar bodies, which later form the endosperm.
  2. 3. A ripened plant ovary that contains seeds.
  3. 4. The female reproductive structure of a flower.
  4. 5. A structure on the underside of a fern frond that houses and protects the fern's sporangia.
  5. 7. Any flowering plant whose embryo has one cotyledon.
  6. 9. A structure in a plant ovary that contains the egg cell and will mature into a seed.
  7. 11. Any flowering plant whose embryo has two cotyledons.
  8. 12. The beginning of growth by a seed, spore, bud, or other structure after a period of dormancy.
  9. 16. A flower structure located just inside the sepals and often large, conspicuous, and scented.