Chapter 22 Vocabulary by Logan Tiefenbrunn

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Across
  1. 2. having staminate and pistillate flowers born on different individuals
  2. 5. division of gymnosperms that includes compromising of plants that have pinnate leaves, large pith, little xylem, and a thick cortex that includes cycads
  3. 6. a modified leaf that bears a sporangium or sporangia
  4. 8. division of gymnosperms that includes maidenhair tree, and its extinct relatives
  5. 9. is derived from the greek words for naked seed
  6. 12. the outermost layer of an ovule; usually develops into a seed coat a gymnosperm ovule; usually has a single integument, and an angiosperm ovule usually has two integuments
  7. 13. the outer boundary layer of a seed; it is developed from the integuments
Down
  1. 1. division of plants with gymnosperms has 70 species across the relic genera
  2. 3. a division of plants vascular land plants that have gymnosperm, cone bearing seeds, and are also known as coniferophyta
  3. 4. a structure derived from the microspore of seed plants that develops into a male gametophyte
  4. 7. solid or amorphous solid fusible flammable natural organic substance that is usually transparent, and are usually formed by plant secretions.
  5. 10. ovule tissue within which an embryo sac develops
  6. 11. ripened ovules of plants containing an embryo and normally capable of germinating into a new plant