Multiple Choice
What features of the earth's magnetic field might provide an animal with positional information for a magnetic "map"?
A) declination, which varies in a regular pattern.
B) the angle of inclination, which varies predictably with latitude.
C) the intensity of the total magnetic field, if it can be detected.
D) Any of these might be used.
Correct Answer:
Verified
Correct Answer:
Verified
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