unit 1 review

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Across
  1. 1. The outside or top layer of something
  2. 3. A thick layer of fat that helps some animals stay warm
  3. 9. An animal that hunts another animal
  4. 10. To develop or create an idea or plan
  5. 11. The way an animal acts
  6. 13. An animal that is hunted by another animal
  7. 15. To notice or discover something
  8. 17. Something that protects the outside of an animal
  9. 18. The way an animal moves from place to place
  10. 20. The light coverings that grow on birds
  11. 21. To help keep heat from escaping
  12. 22. A feature that helps an animal survive
Down
  1. 2. A soft layer of fur underneath an animal's outer fur
  2. 4. A quality or feature of something
  3. 5. The ability to stay alive
  4. 6. Looking similar to the surroundings
  5. 7. To stay alive
  6. 8. Colors, patterns, or shapes that help an animal blend in
  7. 10. Hair that covers some animals
  8. 12. The place and surroundings where an animal lives
  9. 14. To keep something safe from harm
  10. 16. To save or use carefully
  11. 19. Small, hard plates that cover some animals
  12. 23. A feature or quality of a living thing