Animal cultures: how we've only seen the tip of the iceberg

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Across
  1. 1. The study of humans and societies.
  2. 3. Flying mammal
  3. 4. A long-established custom.
  4. 5. The study of organisms and their environment.
  5. 8. Social rules or expectations.
  6. 10. A great ape known for its intelligence and cultural behaviors.
  7. 11. Mental processes like thinking and understanding.
  8. 14. A set of behaviors or skills.
  9. 16. Learning to behave in a society.
  10. 22. Has a trunk
  11. 23. The act of passing something on.
  12. 24. The way someone acts.
Down
  1. 2. Acquiring knowledge or skills.
  2. 5. Leaving something out or ruling it out.
  3. 6. A group of similar organisms.
  4. 7. Large marsupial
  5. 9. Shared beliefs and practices.
  6. 12. Basic survival activities.
  7. 13. Not fully developed.
  8. 15. Using objects to perform tasks. (two words)
  9. 17. Likes to chase mice
  10. 18. Observing closely to learn.
  11. 19. The study of heredity and inherited traits.
  12. 20. A version that differs from others.
  13. 21. Man's best friend