Dogs Are Not What We Thought

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Across
  1. 7. → Human groups living during early dog domestication
  2. 12. → Theory that dogs were domesticated independently in more than one place
  3. 13. → Behavioral trait strongly selected during early domestication
  4. 15. → Mixing of genetic material from different populations
  5. 18. → A span of dates used instead of a single fixed time
  6. 19. → A line of descent from ancestral populations
  7. 20. → Human movement that often carried dogs with it
  8. 22. Age → Period during which extinct wolf ancestors of dogs lived
  9. 23. → The complete genetic material of an organism
  10. 25. → Study of human and animal remains from the past
  11. 28. → A warning or qualification about scientific conclusions
  12. 29. mosaic → Description of modern dogs containing DNA from multiple ancient populations
  13. 30. → Ongoing scientific disagreement about domestication models
  14. 31. → Skull portion that changed shape during domestication
  15. 33. DNA → Genetic material extracted from archaeological remains
  16. 35. → A method of understanding the world that evolves with new data
  17. 36. → The process by which wolves gradually became adapted to living with humans
  18. 37. → Updating scientific models based on new discoveries
  19. 38. → Siberian region where a 33,000-year-old dog-like canid was discovered
  20. 39. flexibility → Ability to consume a wide range of foods
Down
  1. 1. → Theory that dogs were domesticated once
  2. 2. → Process favoring traits that improved survival near humans
  3. 3. → Facial feature shortened in early dog domestication
  4. 4. → Food-production system that emerged after early dogs existed
  5. 5. → A canid showing early domestication traits but not a true domestic dog
  6. 6. turnover → Replacement of one dog population by another over time
  7. 8. → A scientific explanation that can change with new evidence
  8. 9. → The wild ancestor of domestic dogs
  9. 10. → Range of genetic variation found in ancient dogs
  10. 11. → Carbohydrate that later dogs adapted to digest more efficiently
  11. 14. → The complete disappearance of ancient dog lineages
  12. 15. → Gene associated with starch digestion in dogs
  13. 16. → The physical form and structure of an organism
  14. 17. → Actions and temperament, which DNA cannot fully reconstruct
  15. 21. → Loss of ancient dog populations due to incoming groups
  16. 24. → Data used to support scientific conclusions
  17. 26. → A gradual process rather than a single event
  18. 27. wolves → Wolf populations that contributed DNA to dogs but no longer exist
  19. 32. → Lack of complete agreement or definitive answers in science
  20. 34. → Mating between early dogs and wolves that introduced genetic diversity