Multiple Choice
Which of the following would be a functional explanation for why birds sing?
A) Testosterone causes the growth of certain brain areas which control singing in certain birds.
B) Birds sing due to instinct.
C) Birds sing because they hear their song early in life and form a template which controls later singing.
D) Birds sing to defend territories and attract mates.
Correct Answer:

Verified
Correct Answer:
Verified
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