Snakes, Reptiles and Amphibians

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Across
  1. 1. made out of metal
  2. 3. the worlds largest frog.
  3. 6. also known as sea cows
  4. 7. mildly venomous,rear-fanged snake from southeast asia
Down
  1. 2. widespread freshwater reptile known for its powerful jaws and aggresive defense when out of water
  2. 4. non venomous from north america known for its mild temperament
  3. 5. worlds largest lizard