Amphibians

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Across
  1. 4. Breathable gas
  2. 5. An organ adult amphibians breathe with
  3. 6. Similar to a frog, with warty skin
  4. 7. Juvenile amphibian
  5. 9. A sound that frogs make
  6. 10. A lizard-like amphibian with a tail, connected with fire in various mythologies
Down
  1. 1. A deadly substance (produced for example by dart frogs)
  2. 2. A drastic change of body during an animals life cycle
  3. 3. Living in water
  4. 8. Feet with a thin membrane used for swimming
  5. 11. A stage in frogs life cycle