Chapter 22 vocabulary

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Across
  1. 5. a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad
  2. 7. grain a single granule of pollen
  3. 8. coat the outer integument of a seed
  4. 10. a division of vascular land plants containing a single extant class, pinopsida. they are cone-bearing seed plants
  5. 11. a division of trees comprising the ginkgos
  6. 12. the central cellular mass of the body of the ovule, containing the embryo sac
  7. 13. the fertilized, male ovule of a flowering plant, containing an embryo or rudimentary plant
Down
  1. 1. having the male and female reproductive organs in separate individuals
  2. 2. a division of plants grouped with the gymnosperms that consists of 70 species
  3. 3. a natural covering, as a skin, shell, or rind
  4. 4. palm-like gymnosperms, includes the surviving order cycadales and several extinct orders
  5. 6. a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers
  6. 9. a modified leaf that bears sporangia