Vertebrata

Edit Answers
12345678910
Across
  1. 3. used for smelling in vertebrates (4 letters)
  2. 5. curved nails found on the ends of mammalian digits (4 letters)
  3. 7. vertebrates that nurse their young (7 letters)
  4. 9. forelimbs enabling flight in birds (5 letters)
Down
  1. 1. coverings on the skin of reptiles (6 letters)
  2. 2. that cover the bodies of mammals (5 letters)
  3. 4. vertebrates that typically lay eggs (6 letters)
  4. 6. of taking in oxygen and releasing carbon dioxide (8 letters)
  5. 8. used for swimming in fish (4 letters)
  6. 10. skeletal structure in vertebrates (4 letters)