Biology Review

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Across
  1. 3. a mass of microspores in a seed plant appearing usually as a fine dust.
  2. 4. plant with leaves, seeds, or flowers used for flavouring, food, medicine, or perfume.
  3. 5. Photosynthesis uses energy from light to convert water and carbon dioxide molecules into _____
  4. 9. The sexual phase is the gametophyte
  5. 10. a large, diverse group of eukaryotic, photosynthetic organisms that are not necessarily related to each other.
  6. 12. division of the plant kingdom including primitive forms of plant life showing a simple plant body.
  7. 15. The pollen producing part of a flower, usually with a slender filament supporting the anther.
  8. 17. single-celled algae
  9. 18. process by which green plants transform light energy into chemical energy.
  10. 19. plant kingdom amphibians even though these plants live in soil, and they require water for sexual reproduction.
  11. 20. The____ of higher plant seeds protects the embryo against adverse environmental conditions.
Down
  1. 1. he gametophyte of a pteridophyte (such as a fern) that is typically a small flat green thallus attached to the soil by rhizoids.
  2. 2. allowing plants to absorb energy from light.
  3. 5. The nonsexual phase is the sporophyte.
  4. 6. The outer parts of the flower (often green and leaf-like) that enclose a developing bud.
  5. 7. reproductive cell capable of developing into a new individual without fusion with another reproductive cell.
  6. 8. plant that reproduces by means of an exposed seed and whose seeds are enclosed by mature ovaries, or fruits.
  7. 11. The____contain (or in the case of gymnosperms and monocotyledons, have access to) the stored food reserves of the seed.
  8. 13. any of a group of spore-producing organisms feeding on organic matter, including moulds, yeast, mushrooms, and toadstools.
  9. 14. plants that produce flowers and bear their seeds in fruits
  10. 16. One of the leaflike, seed-bearing structures that constitute the innermost whorl of a flower.