Across
- 4. Sorted animals
- 5. The cell that results from the fusion of gametes, a fertilized egg
- 9. The front part of a body or structure
- 10. A body that makes the body organized in a circle
- 13. The end of an animal with bilateral symmetry
- 14. One of the lateral reproduction systems
- 16. Lower part of an organism
- 18. a connection in which two equal halves of a body mirror each other
- 19. animal with a backbone
Down
- 1. The process of eating food
- 2. The structural an functional specialization of cells during an organisms development
- 3. A firm flexible rod of tissue in the dorsal part of the body
- 6. A nerve at the anterior end of an organism
- 7. Dorsal nerve in a life cycle
- 8. Lying on or near the back
- 11. A layer of tissue that all animals have except for sponges
- 12. animal without a backbone
- 15. a multicellular organism
- 17. Balanced sides