Multiple Choice
In one experiment, pigeons whose clocks were shifted 6 hours flew in the wrong direction when they attempted to navigate by following their sun compass. What happened when another group of identically treated pigeons navigated on a cloudy day?
A) They used their polarized-light compass and flew in circles.
B) They were able to navigate by using their polarized-light compass.
C) They were able to navigate on the basis of olfactory cues.
D) They were able to navigate by using their magnetic compass.
Correct Answer:

Verified
Correct Answer:
Verified
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