You Are Told That the Song of Males Among a Particular

question 17

Multiple Choice

You are told that the song of males among a particular songbird species has an innate component but is also largely learned.Nestling males imprint on their father's song and then sing it themselves when they reach sexual maturity.Which of the following observations would lead you to doubt this information?

• A)A male chick who is reared in isolation but hears tape recordings of a different species' song grows up to sing that species' song.
• B)A male chick reared in isolation but introduced as an older juvenile into an aviary containing normal males of his species sings his species' song.
• C)A male chick fostered in the nest of a different species grows up to sing the song of its foster species.
• D)A male chick who is reared in isolation but hears tape recordings of his species' song grows up to sing normally.

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Definitions:

Pharynx

The muscular tube that connects the mouth and nasal passages with the esophagus, playing a critical role in swallowing and breathing.

Pulp Cavity

The innermost part of a tooth containing the nerve and blood vessels, located beneath the dentin layer.

Mouth

The opening in an organism's body through which food is ingested.

Pancreas

An organ in the abdominal cavity that plays a crucial role in digestion and the regulation of blood sugar by producing enzymes and hormones like insulin and glucagon.