animal behavior

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Across
  1. 3. protecting resources, such as domain, food, mate or owner
  2. 6. time-related decline of bodily functions necessary for survival
  3. 7. showing aggression
  4. 10. Operates both internally and externally
  5. 12. protecting offspring
  6. 13. attacking prey for food
  7. 15. an innate or fixed behavioral response
  8. 16. kicking
Down
  1. 1. plucking feathers
  2. 2. all________have different behaviors
  3. 4. establishing order within a group
  4. 5. protecting self from perceived threat
  5. 8. relaxed
  6. 9. Explain instincts, which animals are born with
  7. 11. study in a natural environment
  8. 14. Examines the reaction of an animal to a certain stimulus