Across
- 5. Small pincers that aid in catching food
- 11. A process in which body parts that are missing can regrow
- 14. structures that grow and extend from an animals body
- 16. Tubes in terrestrial arthropods that branch off
- 18. A tubelike muscular organ extended from the mouth of a flatworm
- 19. Animals that belong to the phylum of Chordata
- 20. A strainer-like opening to water-vascular systems
- 22. A two-cell layer sac with an open end
- 24. Small muscular fluid-filled tubes that end in suction-cuplike structures
Down
- 1. A pair of appendages around the mouthparts
- 2. A knob-shaped structure with hook and suckers
- 3. The opposite end of the tube foot is a muscular
- 4. Disease that is contracted by eating raw or undercooked pork
- 6. Middle body region consisting of three fused main segments
- 7. A group of nerve cell bodies that coordinate incoming and outgoing nerve signals
- 8. Tough outer cover protecting a soft body tissue
- 9. Animals with an endoskeleton and a backbone
- 10. A fluid-filled ball of cells
- 12. A flexible rodlike structure extending the length of the body
- 13. The process of shedding the exoskeleton
- 15. Animals without backbones
- 17. Internal skeleton
- 21. Individual sections behind the scolex containing muscles, nerves, and more
- 23. Contains fused segments and is the posterior end of the arthropod