Animals

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Across
  1. 4. Live on land and on water (10)
  2. 6. A reptile (5)
  3. 7. A bird that cannot fly (7)
  4. 9. Animals who can control their body temperature (4&7)
  5. 10. Animals with wings (5)
Down
  1. 1. Invertebrate animals (8)
  2. 2. Animals who don't have a skeletal structure (13)
  3. 3. Animals who have a unique skeletal structure (11)
  4. 5. Small invertebrate animals (7)
  5. 8. Animals who cannot control their body temperature (4&7)