The Order of Whorls from the Flower's Center to the Periphery

question 52

Multiple Choice

The order of whorls from the flower's center to the periphery is

• A) sepals, petals, stamens, and carpels.
• B) carpels, petals, stamens, and sepals.
• C) petals, carpels, stamens, and sepals.
• D) sepals, carpels, stamens, and calyx.
• E) carpels, stamens, petals, and sepals.

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Definitions:

Place Theory

a theory in the field of hearing that suggests different areas of the cochlea in the inner ear respond to different frequencies of sound, aiding in pitch perception.

Opponent-Process Theory

A theory of color vision that proposes three pairs of color antagonists: red-green, blue-yellow, and white-black. Excitation of neurons sensitive to one member of a pair automatically inhibits neurons sensitive to the other member.

Impulse Frequency Theory

A theory that proposes the frequency of nerve impulses, or action potentials, is related to the intensity of a sensation such as sound or light.

Timbre

The quality of a sound apart from its pitch or loudness; timbre enables us to distinguish a clarinet from an oboe, or one person’s voice from another.