One Compelling Argument That Favors the Adaptation of Bipedalism and the Ability

question 29

Multiple Choice

One compelling argument that favors the adaptation of bipedalism and the ability to run long distances is that early hominins, unlike many of the animals they sought as prey, had

• A) the intelligence to run faster
• B) the ability to go without water for long distances
• C) the ability to sweat
• D) tools that allowed them to kill prey from a distance

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Definitions:

Motor System

The component of the central and peripheral nervous system that is involved in the movement and coordination of the muscles.

Glabrous Skin

Skin that does not have hair follicles but contains larger numbers of sensory receptors than do hairy skin areas.

Receptors

Biological molecules or structures on the surface of cells that bind to specific molecules, leading to a response within the cell.