Across
- 5. sharp rigid structures for support
- 6. the creation of egg and sperm
- 8. hairlike structures that help create currents
- 9. the arrangement of body parts to make mirror images
- 10. ability to move
- 11. cells that transport nutrients and sperm
- 12. feeds from outside sources
- 13. small openings along sponge that lets material in
- 14. most broad classification category
Down
- 1. unable to move
- 2. wheel or spoke shaped body parts
- 3. cell with nucleus
- 4. where each cell becomes specialized
- 7. no body parts to mirror
- 15. large opening at the top of the sponge