Across
- 3. Tiny pores on the surface of a sponge.
- 6. Provides siliceous or calcareous structural support
- 8. Parasitic worm that feeds on tissues.
- 10. Live on top of surfaces
- 13. The main opening through which water leaves the sponge.
- 15. Sponges belong to this phylum
- 16. Skeletal material made out of protein.
- 17. Most commonly seen marine worm.
- 18. Land plants that can tolerate salt.
- 19. Symmetry around a central disc
Down
- 1. Pore cells.
- 2. Also knowns as roundworms
- 4. Second structural form that cnidarians have.
- 5. Most diverse algae
- 7. Spiny-Skinned
- 9. 10-legs marine animal
- 11. Living attached to the bottom or a surface.
- 12. Wandering Cells
- 14. Most abundant member in zooplankton
- 16. 5-arms