Invertebrate and Vertebrate Zoology Study Guide

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Across
  1. 1. Phylum of flatworms
  2. 2. Animals with two germ layers
  3. 6. Phylum that includes vertebrates
  4. 11. Internal supporting structure
  5. 13. Phylum with jointed appendages
  6. 15. Phylum with spiny-skinned animals
  7. 16. Animals with backbone
  8. 17. Animals without body cavity
  9. 19. Phylum of sponges
  10. 20. Excretory organ in annelids
Down
  1. 1. Animals with false body cavity
  2. 3. Animals without backbone
  3. 4. Animals with three germ layers
  4. 5. Supporting rod in chordates
  5. 7. Phylum of segmented worms
  6. 8. Phylum of soft-bodied animals
  7. 9. Symmetry seen in starfish
  8. 10. Symmetry seen in humans
  9. 12. Body-supporting structure found outside the body
  10. 14. Fluid-filled body cavity
  11. 18. Phylum of jellyfish and hydra