Across
- 1. Simplest multicellular animal
- 5. Name of flexible protein fibers
- 6. Sponges have three main
- 7. Small, tube-shaped body form
- 11. Glass sponges
- 13. Large, thick body wall form
- 15. Ability to repair injuries
- 20. They’re members of
- 21. Sponge symmetry is
- 23. Most complex / common body form
- 25. Gets food by
Down
- 2. Sponges are
- 3. Approximately _ known species
- 4. Name of hollow center
- 8. Calcareous sponges
- 9. Spicules are not six rayed
- 10. Jelly-like extracellular matrix
- 12. Archaeocytes are also called
- 14. Name of numerous pores
- 16. Able to reproduce sexually &
- 17. Collar cells have
- 18. Thin, flat skin like cells
- 19. Most species are
- 22. Name of collar cells
- 24. Number of sponges classes