Which of the following choices is the ultimate cause of the ability of male zebra finches to
discriminate between the songs of established neighbors and those of strangers?
a. Cells in a nucleus in the forebrain fire more often when the song of a new male is heard.
b. Neurons cease to respond to the sound of an established neighbor.
c. Zebra finches are genetically programmed to tolerate territory-holding neighbors but repel
invaders.
d. Zebra finches are capable of selective learning.
e. This adaptation allows males to produce more offspring by saving their energy for real
battles.
E
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