Compare the changes in frequency of melanic moths at Caldy Common and in Michigan. Are there any differences?
A) Yes, the frequency of melanic moths increased at Caldy Common but decreased in Michigan.
B) Yes, the frequency of melanic moths decreased at Caldy Common but increased in Michigan.
C) No, the frequency of melanic moths increased in both locations.
D) No, the frequency of melanic moths decreased in both locations.