Across
- 2. a protein that surrounds animal cells and helps them keep their shape
- 4. symmetry around a central axis
- 7. body parts arranged nearly the same way on both sides of the body
- 8. Phylum that contains sponges
- 9. phylum that contains roundworms
- 10. phylum that contains vertebrates
- 11. an animal without a backbone
- 13. phylum that contains mussels
- 14. phylum that contains shrimp
Down
- 1. an animal with a backbone
- 3. Phylum that contains corals
- 5. body parts arranged in a way that cannot be divided into matching parts
- 6. phylum that contains sea urchins
- 8. Phylum that contains flatworms
- 12. phylum that contains earthworms