Orders of Mammals/ types of vertebrae

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Across
  1. 1. ectothermic, lives under water, has fins, has gills
  2. 6. eat meat
  3. 8. have eyes that face forward and opposable thumbs
  4. 9. generally eat insects and have long sticky tongues
  5. 10. have strong legs for jumping, sensitive noses, big ears
  6. 13. ectothermic, spends early life in water, moves to land when adult, gills when young lungs when adult
  7. 14. eat seaweed and water plants
Down
  1. 2. tend to have pointed noses for digging
  2. 3. endothermic, 4 chambered heart, hair or hur, birth to live young, mothers give milk
  3. 4. generally fast runners, have flat teeth for chewing plants
  4. 5. small animals that have sharp teeth for gnawing
  5. 7. water dwelling mammals that resemble fish
  6. 11. ectothermic, have lungs, scaly skin lay eggs
  7. 12. endothermic, has feathers, 4 chambered heart, lays eggs