A European robin detects directional differences in the earth's magnetic field through cryptochromes found in its _____.
A) forebrain
B) eyes
C) nose
D) ears
E) heart

Question

A European robin detects directional differences in the earth's magnetic field through cryptochromes found in its _____.  
A) forebrain
B) eyes
C) nose
D) ears
E) heart

Quizplus · Accepted Answer

Cryptochromes, a group of proteins found in the eyes of birds, are responsible for detecting magnetic fields and provide information on the polarisation and direction of light. In the case of the European robin, cryptochromes in the eyes help to detect differences in magnetic field and are believed to play a role in navigation.

A European Robin Detects Directional Differences in the Earth's Magnetic