human
Question: Male barn swallow birds with symmetrically-shaped wings find mates more quickly than males with asymmetrical wing shapes. Which statement best explains the significance of symmetry in the barn swallow population?

Choices:
A) Symmetrical wings are attractive to females.
B) Symmetrical wings indicate genetic mutations.
C) Symmetrical wings indicate that males are good predators.
D) Symmetrical wings are signs that a bird is very aggressive.
gpt
The correct answer is 0: Symmetrical wings are attractive to females..