Experimental evidence suggests that the ability to detect _______ allows pigeons to home even on overcast days.
A) sound waves
B) the plane of polarized light
C) the gravitational field
D) the magnetic field
E) scent trails

Question

Quizplus · Accepted Answer

Experimental evidence has shown that pigeons use the Earth's magnetic field to navigate and home, and that they are able to detect the magnetic field using specialized magnetic-sensitive cells in their beaks. This ability allows them to home even on overcast days when the sun's position or other visual cues may not be available.

Experimental Evidence Suggests That the Ability to Detect _______ Allows