animal classific

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Across
  1. 5. / An animal that hunts and eats other animals.
  2. 6. / Hard outer structure found on insects and crustaceans.
  3. 7. / Changes in animals that help them survive.
  4. 11. / Protective covering found on reptiles and fish.
  5. 13. / Animals that have hair or fur and feed milk to their young.
  6. 16. / The stages of growth and change in animals.
  7. 17. / Animals that live both in water and on land.
  8. 19. / Animals whose body temperature changes with the environment.
  9. 20. / Cold-blooded animals that live in water and have gills.
  10. 21. / Animals with feathers, wings, and beaks.
  11. 22. / Invertebrates with six legs and three body parts.
  12. 24. / Hairy covering on mammals for warmth.
  13. 25. / A natural home for an animal.
Down
  1. 1. / Animals with a backbone.
  2. 2. / Invertebrates like crabs and lobsters with hard shells.
  3. 3. / Organs fish use to breathe underwater.
  4. 4. / Covering that helps birds fly and stay warm.
  5. 8. / Animals without a backbone.
  6. 9. / Animals that maintain a constant body temperature.
  7. 10. / Cold-blooded animals with scaly skin.
  8. 12. / Soft-bodied animals like snails and octopuses.
  9. 14. / Invertebrates like spiders and scorpions with eight legs.
  10. 15. / Hard protective covering on animals like turtles and crabs.
  11. 18. / Another word for the spine found in vertebrates.
  12. 23. / Coloring that helps animals blend into their surroundings.