Across
- 1. Division of vascular land plants containing a single class
- 7. A plant whose seeds are not enclosed within an ovary during their development
- 8. Ovule tissue within which an embryo sac develops
- 9. Having an unisexual flowers or cones, with the male flowers or cones confined to certain plants and the female flowers or cones of the same species confined to different plants
- 10. Fan-shaped leaves and fleshy seeds
- 11. A modified leaf that bears a sporangium or sporangia
- 13. Thick and clear substance made from the plants or trees that is used to make plastic
Down
- 2. The outer most layer of an ovule; usually develops into a seed coat
- 3. Pamike gymnosperms
- 4. Classified with gymnosperms but has angiosperm-like characteristics, such as complex vascular tissue
- 5. A mature ovule containing an embryo and bound by a protective seed coat
- 6. A structure derived from the microscope of seed plants that develops into a male gametophyte
- 12. The outer boundary layer of a seed; it is developed from the integuments