Homologous Structures Such as the Bones in Wings, Flippers, and Arms

question 75

Multiple Choice

Homologous structures such as the bones in wings, flippers, and arms are most closely concerned with

• A) comparative anatomy.
• B) biogeography.
• C) the fossil record.
• D) comparative embryology.
• E) comparative biochemistry.

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Definitions:

Buoyancy

The force that causes objects to float in a fluid by displacing a volume of fluid whose weight equals the object's weight.

Adaptation

The process by which organisms become better suited to their environment through genetic changes over generations.

Gravity

The natural force of attraction exerted by a celestial body, such as Earth, upon objects, drawing them toward its center.

Animal Movement

The various motions accomplished by animals as a result of muscle contraction.