Across
- 3. stinging cell in jellyfish
- 5. containing male and female parts
- 7. capture prey and defense
- 8. body cavity
- 11. matured jellyfish
- 12. early stage of jellyfish
- 15. main digestive line
- 16. phylum of roundworms
Down
- 1. capture food and water
- 2. phylum of flatworms
- 4. the middle layer of skin
- 6. invertabrate lacking coelum
- 9. the opening
- 10. each segment of tapeworm
- 12. cavity leading to esophagus
- 13. free swimming flatworms
- 14. tapeworm head
- 17. protective layer of skin
