Across
- 4. Separate male and female plants
- 6. Male spores
- 7. Contain gametes
- 10. These structures harbour spores
- 11. Include the largest and oldest vascular plants
- 12. Possibly the closest living relatives of flowering plants
- 13. A gametophyte developed from only ONE type of spore
- 14. seed plants without flowers
Down
- 1. The most abundant group of seedless vascular plants
- 2. The first plants to have evolved true roots
- 3. Gymnosperm reproductive structures
- 5. The most ancient of all extant seed plants
- 8. Female spores
- 9. Produces different male and female gametophytes
- 15. The number of phyla of vascular plants