Which evolutionary mechanism caused the increase in dark-colored biston betularia moths in england in the 1800s?

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

What is the main fuel source for the work of the cell