Across
- 2. arthropod with six legs
- 6. animal with out a backbone
- 8. parasitic segmented worm
- 11. vertebrates that can heat their bbodies
- 12. filter feeders
- 13. any long slender invertebrate
- 14. group of warm blooded vertebrate that produce milk
- 16. well known free living flat worm
Down
- 1. an invertebrate with stinging tentacles
- 3. vertebrates that cannot heat their bodies
- 4. animal that hunts other animals for food
- 5. well known parasitic flat worm
- 7. animal with a backbone
- 9. outer covering of arthropods
- 10. animal eaten by predators
- 15. breath oxygen though gills
- 17. cold blooded vertebrate with 2 stage life cycle