Across
- 5. A starfish is an example
- 9. divided into parts
- 10. having a head and brain
- 11. having a top and bottom
- 13. having equal parts
- 14. cannot maintain a constant body temp
- 15. soft slender elongated bodies
- 17. protects soft tissue of animals
- 19. A snail is an example
- 20. animals that do not have a spine
Down
- 1. an invertebrate of the phylum Arthropoda
- 2. A jellyfish is an example
- 3. animals maintaining a constant body temp
- 4. the adaptation of an organ
- 6. animals that do have a spine
- 7. relating to two sides
- 8. spiny and round in appearance
- 12. free swimming jelly like
- 16. star shaped echinoderm
- 18. soft porous body glasslike spicules