Across
- 2. Group of bryophytes in which a primitive conductive system appears
- 4. species
- 5. Tangle of single celled called filaments that forms from the haploid spore
- 8. Female spore
- 11. Produce two types of spores
- 13. Describes an organ that grows in an unusual place, such as roots growing from the side of a stem
- 15. Other name for land plant; embryo is protected and nourished by the sporophyte
- 16. Mosses Earliest group of seedless vascular plants
- 17. Case of the sporangium in mosses
- 18. No longer existing species
Down
- 1. plant Plant that lacks vascular tissue, which is formed of specialized cells
- 3. Male spore
- 4. Group that includes green algae and land plants
- 6. Seedless vascular plant that produces large fronds; the most advanced group of seedless vascular plants
- 7. Vascular plant
- 9. that surrounds the opening of the capsule and allows periodic release of spores
- 10. Seedless vascular plant characterized by joints
- 12. Diploid stage is the dominant stage
- 14. (Plural, gemmae) Leaf fragment that spreads for asexual reproduction
