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Across
  1. 3. One of the body parts of the housefly
  2. 5. These birds stay in the country for winter
  3. 9. The process of artificial selection
  4. 10. The main colour of houseflies
Down
  1. 1. Houseflies have these types of legs
  2. 2. This covers dogs and cats bodies
  3. 4. These birds stay in the nest after hatching
  4. 6. The house mouse is this kind of animal
  5. 7. The ancestor of dogs
  6. 8. The special teeth of dogs and cats