Across
- 5. leaf that bears sporangia
- 6. a division of plants, grouped within the gymnosperms, that consists of some 70 species across the three relict genera
- 7. are a division of vascular land plants containing a single class They are gymnosperms, cone-bearing seed plants.
- 13. a tough outer protective layer, especially that of an animal or plant.
Down
- 1. monotypic genus of highly unusual non-flowering plants
- 2. are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes
- 3. a thick and sticky clear substance made from plants or trees that is used to make plastics, pills, lacquers, inks, glues and other things
- 4. Cycads are seed plants with a long fossil history that were formerly more abundant and more diverse than they are today
- 8. grain one of the granular microspores that occur in pollen and give rise to the male gametophyte of a seed plant
- 9. the protective outer coat of a seed.
- 10. having the male and female reproductive organs in separate individuals.
- 11. the central part of an ovule, containing the embryo sac.
- 12. an embryonic plant enclosed in a protective outer covering