Across
- 3. Bladder
- 9. No backbone
- 10. Symmetry
- 11. No proportion
- 15. animal phylum
- 20. hot blooded
- 21. internal support
Down
- 1. skeleton
- 2. Eggs
- 4. has a backbone
- 5. Vascular System
- 6. organism with both reproductive
- 7. cold-blooded
- 8. shedding
- 12. Glands
- 13. wall of uterus
- 14. asexual reproduction
- 16. external skeleton
- 17. Bottom of the water
- 18. Symmetry
- 19. extra tissue