Animal Kingdom

12345678910111213141516171819202122232425262728
Across
  1. 1. This is the waste gas of animals that is exhaled.
  2. 3. material that makes up hair, claws, fingernails, and hooves
  3. 7. This type of vertebrate has dry, scaly skin.
  4. 10. sensory organ of arthropods that detects smell and vibration
  5. 11. an animal with bones
  6. 15. an invertebrate with jointed legs
  7. 18. an animal without bones
  8. 19. An arthropod must shed this to grow.
  9. 20. Made of keratin, these structures protect the skin of fish and reptiles.
  10. 21. used by aquatic creatures to breathe
  11. 22. hunts, kills, and eats prey
  12. 24. an animal eaten by a predator
  13. 25. sharks are in this class of vertebrates
  14. 27. eats food of plant origin
  15. 28. material that shark skeletons are made of
Down
  1. 2. This type of animal eats food of plant and animal origin.
  2. 4. material that makes up an exoskeleton
  3. 5. an animal that lives on land
  4. 6. This organ keeps a fish afloat.
  5. 8. This type of organism is cold-blooded, but it is not a fish or amphibian.
  6. 9. This describes organisms that live in the ocean (saltwater) specifically.
  7. 12. an individual spine bone
  8. 13. an invertebrate with six legs
  9. 14. the large nerve inside the spine
  10. 16. This is the gas that animals take from air or water to live.
  11. 17. Reptiles were the first animals in evolution to have this protect their eggs.
  12. 20. the 3D shape of a fish’s lens
  13. 23. This type of vertebrate begins life with gills and has lungs as an adult.
  14. 26. shrimp belong to this group because they have ten legs.