air 8

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Across
  1. 4. I may have dry scales, and a snake is one of my group.
  2. 5. I have a backbone, hair, and drink milk when I am young.
  3. 7. I have eight legs and may make a web.
  4. 9. I have a backbone, feathers, and a beak. What group am I?
  5. 10. I am soft-bodied and may carry a shell.
Down
  1. 1. I live in the ocean and have eight arms.
  2. 2. I am any animal that has a backbone.
  3. 3. I have a backbone and breathe underwater with gills. What group am I?
  4. 6. A frog belongs to my group.
  5. 8. I have six legs. An ant is one of my group.