When Ansell's Mole Rats, a Subterranean Species, Are Housed in Circular

Multiple Choice

When Ansell's mole rats, a subterranean species, are housed in circular arenas in a laboratory, they reliably and spontaneously build their nests in the southeastern sector of the arena. When the researchers reversed the polarity of the moles' magnetic field by reversing the direction of current flow through a Helmholtz coil, the moles

A) began to build nests in the northwest sector of the arena.
B) began to build nests throughout the entire area of the arena.
C) quit building nests entirely.
D) were unaffected and continued building nests in the southeastern sector.