The Oldest Fossils of Anatomically Modern Humans at Herto Date

question 44

Multiple Choice

The oldest fossils of anatomically modern humans at Herto date from

• A) between 154,000 and 160,000 years ago.
• B) between 300,000 and 350,000 years ago.
• C) between 500,000 and 550,000 years ago.
• D) between 2 and 2.5 million years ago.

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Definitions:

Stepping Movements

Reflexive motions observed in infants, resembling walking, when the soles of their feet touch a flat surface.

Depth Perception

The ability to perceive the world in three dimensions and to judge the distance of objects.

Crawling

A form of locomotion achieved by moving on hands and knees, an essential developmental milestone in infants.

Danger

The possibility of harm or injury; the potential for a situation, action, or event to cause physical, emotional, or environmental damage or risk.