haileyelmore8654 haileyelmore8654
  • 06-03-2024
  • Biology
contestada

The fossil record reveals that the structure of shoulder joints in birds, which is essential for flight, is an adaptation that originated in ___.
​a. ​ancient bats
b. ​nonflying dinosaurs
c. ​nonflying birds
d. ​flying dinosaurs
e. ​ancestral birds

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