Multiple choice

If a male white-crowned sparrow is hatched and reared in separation, but at the time of crucial imprinting period (10-50 days after hatching) is allowed to hear a male’s song from any various sparrow species, then at maturity, the separated white-crown male will

  1. sing a specific song that is not sung by any other species

  2. not sing at all

  3. sing a song of its own white-crown species

  4. sing a song of the species to which he listened during the crucial period

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A Correct answer
Explanation

At maturity, the separated white-crowned male will sing a specific song that it does not learn directly from its father, but rather from the generalised song environment of its natal neighborhood. 

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