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Across 6. of, relating to, or resembling a dog or dogs. 7. communal, community, group, general, popular, civil, public. 10. Mother Earth, the environment; wildlife. 15. an animal, as distinct from a human being. 16. complex, involved, tangled, tricky, tortuous; confusing, perplexing. 18. active at night. 19. after escape from captivity or domestication. 20. the study of humankind. 22. relating to a home or to family relations.

Down 1. characteristic, attribute, feature, quality; habit, custom, mannerism. 2. characteristic of people or human beings. 3. living or growing in the natural environment. 4. free from a tangled or twisted state. 5. polite, courteous, well-mannered, gentlemanly, ladylike; cultivated. 8. care for and encourage the growth or development of 9. a classification according to general type. 11. a living organism that feeds on organic matter. 12. ferocious, fierce; wild, untamed, untamable, undomesticated, feral. 13. a difference or contrast between similar things or people. 14. is the study of human activity in the past. 17. not dangerous or frightened of people; domesticated. 21. an establishment that maintains a collection of wild animals, typically in a park.