Crows Have Been Observed to Raise the Water Level in a Tube

question 2

Multiple Choice

Crows have been observed to raise the water level in a tube by dropping stones into the tube,so that they can then nab a floating worm.It has been suggested that this feat is a display of

• A) the availability heuristic.
• B) belief perseverance.
• C) the framing effect.
• D) insight.

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Definitions:

Phineas Gage

An individual known in psychology and neuroscience for surviving a severe brain injury in the 19th century that dramatically changed his personality and behavior.

Iron Bar

A long, solid piece of iron metal, which can be used in various structural, mechanical, or magnetic applications.

Heart Rate

The number of heartbeats per unit of time, typically expressed in beats per minute (BPM), indicating the heart's activity level.

Digestion

The biological process by which the body breaks down food into absorbable components for energy, growth, and cell repair.