Classification and variation

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Across
  1. 2. has a long body that is divided in segments
  2. 4. have hair and are warm blooded
  3. 5. have no wings four legs and a pair of antennae
  4. 7. cold blooded creatures with dry skin
  5. 8. an animal that has wings and hair
Down
  1. 1. have scales and gills
  2. 3. have thin cylindrical bodies not divided into segments
  3. 6. animal that goes from water to land