animal kingdoms

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Across
  1. 4. their sections are also made of cartilage.
  2. 5. they are covered by hair.
  3. 6. they have fins on the back and sides of there body.
  4. 7. most of the largest animals you see around you can be described as vertebrate.
  5. 9. they are also called roundworms.
  6. 10. are to largest animal phylum.
  7. 12. phyla, animals are often described as vertebrate.
  8. 15. the biological name for birds.
  9. 16. are commonly called sponges.
  10. 17. are the second-largest phylum in the animal kingdom.
Down
  1. 1. they have a flattened top to bottom.
  2. 2. their eggs are played on the water.
  3. 3. the first level of classification
  4. 8. they are many fossils of jawless fish.
  5. 11. they have radial symmetry.
  6. 13. the biological name for a bird.
  7. 14. they breathe only using there lungs.