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