Bradly d

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Across
  1. 4. evolved in different groups
  2. 6. are gracefull flyers
  3. 8. low numbers of turtles
  4. 10. narrow wings
  5. 13. unique pouch below beak
  6. 14. give birth to live young
  7. 16. belong to ancient group of reptiles
  8. 19. spends most time basking in large groups
  9. 22. four footed
  10. 23. small penguins eat this
  11. 24. spends life at sea
Down
  1. 1. the first land tetrapods
  2. 2. organisims able to control body temperature
  3. 3. great danger
  4. 5. get rid of excess salts
  5. 7. flightless birds
  6. 9. cold blooded
  7. 11. used to make jewelry
  8. 12. long necked seabirds
  9. 15. deoxy ribo nuclaic acid
  10. 17. organisims that retain body heat
  11. 18. suck in oxygen
  12. 19. evolved in different groups
  13. 20. adapted to land
  14. 21. their kin make up large varietys of seabirds