Across
- 5. multiple cells
- 8. no backbone
- 10. creates energy
- 13. absorb energy
- 14. parts radiate out from central axis
- 15. the creation of egg and sperm
Down
- 1. before phylum
- 2. single cell
- 3. budding
- 4. backbone
- 6. no organs
- 7. sharp rigid structures for support
- 9. category
- 11. small opening that let's in water
- 12. immobile