In Song Sparrows

question 29

Multiple Choice

In song sparrows

• A) the song is entirely innate.
• B) young birds must hear adults sing to develop the song.
• C) the song develops normally even in deaf birds.
• D) the song is not genetically coded.
• E) none of the above

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Definitions:

Endocrine Gland

A gland that secretes hormones directly into the bloodstream to regulate various body functions.

Benign Tumors

Noncancerous growths in the body that are generally not life-threatening and do not spread to other parts.

Muscle Cells

Specialized cells that make up muscle tissue, capable of contracting and relaxing to produce movement.

Uterus

A hollow, pear-shaped organ in a female's lower abdomen where offspring are conceived and in which they gestate before birth; the womb.