Across
- 4. symmetry large and complex
- 5. partial body cavity (one way digestive tract)
- 6. let material into sponge
- 11. complete body cavity with organs animals can move and feed easier
- 15. used to sting and poison prey
- 17. sponges have this type of symmetry...
- 18. filter nutrients using mucus
- 20. transport sperm and form spicules
- 21. one side of blastula has been pushed in...
- 22. having both male and female reproduction
- 23. only cnidarian to live in freshwater...
- 24. egg + sperm =
- 26. movement:sessile & tentacle:up (coral form)
- 27. breaking off body part that becomes a nerve and identical cnidarian
- 28. movement:motile & tentacle:down (jellyfish form)
Down
- 1. no body cavity or organs (nutrients diffuse)
- 2. forms into exoskeleton
- 3. used for support
- 4. single layer around a central cavity
- 7. collection of sensory organs @ anterior end
- 8. create current
- 9. cell splits into two cells through...
- 10. after gastrulation forms 3 layers (derms)
- 12. 32+ cells with no cavity
- 13. develops into organs
- 14. parts radiate from central axis
- 16. let material out
- 19. cells protective cells
- 25. kingdom: Animalia & Phylum: Porifera
- 29. forms the inner lining of organs