What Adaptation Has Allowed Humans to Increase Our Chances of Survival

question 15

Multiple Choice

What adaptation has allowed humans to increase our chances of survival and reproduction through gripping and using tools?

• A) walking upright on two legs
• B) physical strength
• C) complex brain
• D) opposable thumbs
• E) five digits on each hand

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Definitions:

Radial Pulse

The pulse felt on the wrist on the side of the thumb, commonly used to assess heart rate.

Obliterated

Completely destroyed or removed, leaving no trace.

Groove

A long, narrow cut or depression in a hard surface, often designed to guide movement or to hold something in place.

Motor Vehicle Accident

An incident involving a collision between vehicles or between a vehicle and a stationary object, potentially causing injury or damage.