Gymnosperm Vocabulary

12345678910111213
Across
  1. 2. a plant that has seeds unprotected by an ovary or fruit. Gymnosperms include the conifers, cycads, and ginkgo.
  2. 5. a genus of highly unusual non-flowering plants
  3. 8. having the male and female reproductive organs in separate individuals.
  4. 9. seed plants with a long fossil history that were formerly more abundant and more diverse than they are today.
  5. 10. grain typically single cells, of which pollen is composed. Pollen grains have a tough coat that has a form characteristic of the pollen-producing plant and which can still be recognized in some archaeological deposits
  6. 12. the central part of an ovule, containing the embryo sac.
  7. 13. a solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers
Down
  1. 1. a division of plants, grouped within the gymnosperms, that consists of some 70 species across the three relict genera
  2. 3. a leaf that bears sporangia
  3. 4. a division of vascular land plants containing a single extant class, Pinopsida
  4. 6. coat the protective outer coat of a seed.
  5. 7. a tough outer protective layer, especially that of an animal or plant.
  6. 11. a fertilized ovule containing the plant embryo