Although flight evolved separately in bats and birds, their forelimbs are considered homologous. What does this information suggest about the relationship between bats and birds? A-While birds and bats do have a common ancestor, wings evolved separately in the two species.

B- The fact that birds and bats have the same bones in their wings shows that they must be closely related

C-Differences in the structures of the wings of birds and bats suggest that they do not have a common ancestor.

D-Wings in birds and bats provide little evidence for common ancestry but offer an explanation for a connection to winged dinosaurs.​