Classification and variation

12345678910111213141516
Across
  1. 5. scales,soft-shelled eggs laid on land
  2. 8. small body, long snout
  3. 9. Soft bodies of the animals
  4. 11. Do have an inside skeleton of cartilage or bone
  5. 12. have two pairs of antenna like lobster
  6. 13. Smooth skin, eggs laid in water
  7. 15. chisel-like teeth for gnawing
  8. 16. have one pair of antenna and long cylindrical or flat bodies
Down
  1. 1. have thin, cylindrical bodies that are not divided into segments
  2. 2. have long, thin, soft bodies that are not divided into segments
  3. 3. do not have antenna or wings but have four pairs of legs
  4. 4. have skeleton on the outside of body and have jointed legs
  5. 6. jellyfish, flatworms, annelids worms, nematode worms
  6. 7. Hair, suckle young with milk
  7. 10. small body, wings
  8. 14. Has scales, fins, eggs laid in water