Each Autumn,the Male Canary Must Relearn the "Breeding" Song

Multiple Choice

Each autumn,the male canary must relearn the "breeding" song.This process of relearning the song results in:

A) the formation of new neurons in the canary's brain
B) a decrease in the size of the canary's brain
C) the loss of other brain functions
D) the canary being able to learn the "breeding" songs of other birds