Animal Characteristics

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Across
  1. 2. phylum of sponges
  2. 3. full body cavity
  3. 5. shrap structures in sponges used for support
  4. 7. outside layer
  5. 9. upward facing cnidarian
  6. 11. egg +sperm = zygote
  7. 14. has both egg and sperm in one body
  8. 16. three cell layers form (different jobs)
  9. 17. one line of symmetry
  10. 19. whiplike structure that waves to create currents
  11. 20. movement
  12. 21. partial body cavity
  13. 23. study of animals
  14. 24. no body symmetry
Down
  1. 1. cnidarians use this for many things
  2. 4. down facing cnidarian
  3. 6. sensory organs are at anterior end
  4. 8. middle layer
  5. 10. study of life
  6. 12. any trait that is made better for environment
  7. 13. wheel symmetry
  8. 15. 32 cell stage
  9. 18. no body cavity
  10. 22. inner layer