Darwin's Observation That Bipedalism Frees the Hand to Hold Objects

question 37

True/False

Darwin's observation that bipedalism frees the hand to hold objects led him to hypothesize that tool use was an important selective pressure on bipedalism.

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Definitions:

Interposition

A visual cue in depth perception where one object partially blocks another, indicating the former is closer to the viewer.

Relative Luminance

A measure of the amount of light that is emitted or reflected by an object relative to a reference white point.

McGurk Effect

A phenomenon that demonstrates an interaction between hearing and vision in speech perception, where a visual stimulus can influence what we believe we hear.

Cultural Experience

The accumulation of knowledge, beliefs, and customs by the process of exposure to and engagement with one's own and other cultures.