Across
- 3. lichen
- 7. away from the center
- 8. man-o-war
- 10. one benefits the other and does not
- 11. sea urchins
- 14. Scyphozoa
- 15. combs
- 18. starfish
Down
- 1. opening
- 2. humans
- 4. top
- 5. superioPoriferaor caudal
- 6. sides
- 9. umbrella shCtenophoraoa sea fan
- 12. without me
- 13. with me
- 16. sponges spiculeses
- 17. sponges