The Wing of a Penguin and the Wing of an Eagle

question 24

Multiple Choice

The wing of a penguin and the wing of an eagle are

• A) homologous structures.
• B) analogous structures.
• C) identical structures.
• D) vestigial structures.
• E) not comparable in any way. The forelimbs of all vertebrates are homologous since they are inherited from a common ancestor, regardless of the superficial appearance of the structures.

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Definitions:

Bipolar Cells

Neurons located in the retina that function as intermediaries between photoreceptors (rods and cones) and ganglion cells, playing a critical role in visual signal processing.

Electromagnetic Waves

Electromagnetic waves are a form of energy that is propagated through the vacuum of space or through material media in the form of electric and magnetic fields oscillating at right angles to each other.

Color

A property of light as seen by people, primarily based on different wavelengths being perceived as different hues.

Color Sensations

Experiences or perceptions of colors by the visual system.