A Region of the Canary Forebrain Shrinks During the Nonbreeding

question 37

Multiple Choice

A region of the canary forebrain shrinks during the nonbreeding season and enlarges when breeding season begins. This change is probably associated with the annual ________.

• A) addition of new syllables to a canary's song repertoire
• B) crystallization of subsong into adult songs
• C) renewal of mating and nest-building behaviors
• D) elimination of the memorized template for songs sung the previous year

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Definitions:

Third Year

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An assessment of how probable it is for an event to take place, represented by a value ranging from 0 to 1.

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Groupings of data points within a chart, used in histogram or bar charts to organize a range of data into manageable intervals.

Forecast Chart

A visual representation of past and future data points, often used to project trends and predict future values.