Pets & Animals

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Across
  1. 1. The scientific study of behavior in animals, especially in natural conditions.
  2. 7. A biological cycle in which old outer layers are shed and replaced with new growth.
  3. 9. Behavior that expresses closeness, trust, or emotional attachment.
  4. 10. Purposeful stimulation that prevents boredom and supports mental well-being.
  5. 12. The specific natural setting that provides shelter, food, and conditions necessary for survival.
  6. 16. A prolonged period of reduced body activity that conserves energy during unfavorable seasons.
  7. 18. The long-term process through which species are shaped by human care, selective breeding, and shared environments.
  8. 23. A sealed or open container that recreates land-based ecological conditions.
  9. 24. A preventive medical practice that strengthens immune defense against specific illnesses.
  10. 26. Early and repeated exposure that builds comfort with environments, individuals, and situations.
  11. 28. An organism that is hunted and consumed by another.
  12. 29. A maintenance behavior that supports hygiene, temperature regulation, and social bonding.
  13. 30. The regular selection of food consumed over time.
  14. 31. An organism that actively searches for and captures others as a food source.
  15. 32. Behavior involving threat displays, force, or attack, often linked to fear or competition.
  16. 34. Describing a population facing a very high risk of disappearance in the near future.
  17. 35. A series of internal processes that convert food into usable substances.
  18. 37. A guided learning process that reinforces desired actions through repetition and feedback.
  19. 39. An automatic behavior pattern present from birth that does not require prior experience.
Down
  1. 2. Consistent response to guidance, signals, or commands from another individual.
  2. 3. A transparent enclosure designed to support underwater organisms in a controlled environment.
  3. 4. Describing species that carry out most activities during daylight hours.
  4. 5. A close biological relationship between different organisms that affects both parties.
  5. 6. The exchange of information through sounds, movements, scents, or visual signals.
  6. 8. A defined space actively protected to secure resources and mating opportunities.
  7. 11. A repeated, often seasonal journey made to access better climate, food, or breeding conditions.
  8. 13. A structural or behavioral change that improves survival in specific conditions.
  9. 14. Body alignment that reflects emotional state, confidence, or readiness.
  10. 15. A physical connection used to guide and restrict movement in public spaces.
  11. 17. The use of sounds to express needs, emotions, or warnings.
  12. 19. A designated structure that provides rest, safety, and temporary confinement.
  13. 20. The balanced intake of nutrients required to maintain growth, energy, and health.
  14. 21. A classification within a species defined by inherited physical and behavioral characteristics.
  15. 22. The chemical activity within cells that sustains life functions and energy use.
  16. 25. A survival feature that allows an organism to blend into surroundings through color, shape, or pattern.
  17. 27. A licensed professional specializing in diagnosis, treatment, and prevention of animal illness.
  18. 33. The irreversible outcome when no living members of a species remain.
  19. 36. The gradual formation of a strong emotional connection between individuals.
  20. 38. Describing species that are most alert and active after sunset.