Multiple Choice
Which of the following statements about studies of songbirds is true?
A) The brains of male and female songbirds are similar in the nonbreeding season.
B) New neurons are not produced in the brains of adult vertebrates.
C) In male songbirds, testosterone affects only the brain.
D) Testosterone causes the song-learning portions of the male songbird's brain to shrink.
E) None of the above
Correct Answer:
Verified
Correct Answer:
Verified
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