Earth's magnetic north pole is:

According to the Geological Survey of Canada to earths magnetic north pole lies west of Ellesmere Island in northern Canada at 81°18′N 110°48′W

Explanation:

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.