Animal Diversity

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Across
  1. 4. Class that contains animals with more than one pair of antennae
  2. 6. Class that includes sharks, rays, and skates with a cartilaginous skeleton
  3. 10. Type of animal without a backbone
  4. 11. Class that is characterized by the presence of hair
  5. 14. Class that contains scales and leathery eggs
  6. 16. Class that requires moist habitats, but can also live partially on land
  7. 18. Phylum that contains asymmetrical animals such as sponges
  8. 19. Class that contains jawless vertebrates
  9. 21. Phylum that contains organisms with bilateral symmetry and segmentation
  10. 22. Phylum that is the most abundant of the animal phyla
  11. 23. Class that evolved from reptiles and has feathers
Down
  1. 1. Phylum that contains animals with flattened bodies (no segments)
  2. 2. Class of arthropods that does not contain antennae
  3. 3. Type of body plant that has a digestive system with one opening
  4. 5. Phylum characterized by muscular foot, mantle, and shell
  5. 7. Type of skeleton that provides an extra layer of protection on the outside of the animal
  6. 8. Phylum that contains tentacles and a soft body
  7. 9. Scientific term for a group or classification level
  8. 12. Class that contains animals with one pair of antennae
  9. 13. Type of symmetry found in sea cucumbers and sea urchins
  10. 15. Phylum that contains starfish (bony skeleton)
  11. 17. Class that contains two pairs of legs per body segment
  12. 20. Class that contains one pair of legs per body segment