A Zoo Is Hand-Rearing an Endangered Species of Songbird

question 2

Multiple Choice

A zoo is hand-rearing an endangered species of songbird.What is the best approach to help prepare the males to attract mates?

• A)Expose the males to a mentor male bird singing their species' song during the critical period.
• B)Expose the males to female pheromones from their species, to initiate development of song circuits during the critical period.
• C)Expose the males to each other during the critical period, to initiate development of song circuits during the critical period.
• D)Expose the males to a variety of birdsongs during the critical period. Clarify question:

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Definitions:

Infradian Rhythm

Biological rhythms with a cycle longer than 24 hours, such as menstrual cycles or seasonal behaviors.

Circannual Rhythm

Biological processes that occur on an annual or yearly cycle.

Rhythmical Movement

Repetitive, patterned physical motion, which can be involuntary, such as breathing, or intentional, such as dancing.

Plant Leaves

The photosynthetic organs of plants, usually green, where sunlight is absorbed and converted into energy for growth and metabolism.