Across
- 2. Lives 1 season
- 6. Sea anemone, jellyfish, hydroid, coral
- 8. Gymnosperms, angiosperms
- 10. Bivalve, cephalopod, gastropod
- 12. Skin of scales or plates, eggs
- 13. Needs 2 seasons to develop; then dies
- 14. Sponges
- 15. Feathers, eggs
Down
- 1. Shrimp, crabs, lobsters
- 3. Horsetails, club mosses, ferns/spores
- 4. Seeds in an ovary
- 5. Seeds in cones
- 7. Lives 3+ years
- 9. Double life, eggs
- 11. Scales, gills, eggs