life processes in ferns
Across
- 2. cells dispersed by wind (5 letters) → SPORES
- 7. visible fern plant; diploid generation (10 letters) → SPOROPHYTE
- 8. leaves where sori form (6 letters) → FRONDS
- 10. number in gametophyte (6 letters) → HAPLOID
- 12. generation in ferns (vs. mosses) (10 letters) → SPOROPHYTE (overlaps with across)
- 13. between sporophyte and gametophyte phases (11 letters, two words but clue as one: "alternationofgenerations" or shorten to "ALTERNATION") → ALTERNATION
- 15. horizontal stem in ferns (7 letters) → RHIZOME
- 17. use these to swim in water film (8 letters) → FLAGELLA
- 18. are this type of plant (vascular tissue present) (8 letters) → VASCULAR
- 19. cases within sori (9 letters) → SPORANGIA
Down
- 1. producing haploid spores (7 letters) → MEIOSIS
- 3. gametophyte stage (9 letters) → PROTHALLUS
- 4. structure producing egg on gametophyte (10 letters) → ARCHEGONIUM
- 5. of growth/division in both stages (6 letters) → MITOSIS
- 6. phase producing gametes (11 letters) → GAMETOPHYTE
- 9. structures anchoring gametophyte (8 letters) → RHIZOIDS
- 11. structure producing swimming sperm (10 letters) → ANTHERIDIUM
- 14. requiring water for sperm to reach egg (12 letters) → FERTILIZATION
- 16. of sporangia on frond undersurface (4 letters) → SORI