Answers the following questions about Ferns : 1. List five characteristics of Pterophytes 2. Which parts of the fern life cycle are haploid? 3. Which are diploid? 4. Where are the spores form? 5. What are the sori? 6. How is the mechanism for spore dispersal in ferns similar to that of bryophytes? 7. Is the prothallium haploid or diploid? 8. Is the prothallium the sporophyte or gametophyte? 9. Where are the gametes form? 10. What tissues comprise a vein of vascular tissue? 11. How is a rhizome different from a rhizoid?.