Across
- 3. can move to find food
- 5. the middle layer of a cell
- 6. no body cavity or organs
- 10. creates energy in its own body
- 11. aid in reproduction and nutrient transport
- 13. has one cell
- 14. gives support and structures to the sponge
- 15. the outter layer of the cell
Down
- 1. cant move
- 2. gets energy from the outside source
- 4. arrangment of body parts
- 7. very outter layer of cells used for protection
- 8. on the surface of the sponge allow water into the sponge
- 9. line interior of a sponge use flagella to bring in water
- 12. the inner layer of a cell
