Question

Give one examole of how natural selection can change the distribution of a trait?

Answer 1

One example of how natural selection can change the distribution of a trait is the peppered moths during the industrial revolution. The moths were originally mainly white with a few black spots, however, when all the factories were built, the trees the peppered moths lived on turned a black color, causing ones who were mostly white to be picked off by predators, but the ones that were black with a few white spots survived and blended in better, leaving them to breed and produce more black-colored moths that would survive easily.  This shows the changing of a trait because ones that used to be mostly white were killed, showing a shift in the trait pattern in favor to the black moths that now lived instead of the white moths. (Sorry its long)

Answer 2

One example of how natural selection can change the distribution of a trait is the peppered moths during the industrial revolution.

What is natural selection?

The moths were originally mainly white with a few black spots, however, when all the factories were built, the trees the peppered moths lived on turned a black colour, causing ones who were mostly white to be picked off by predators, but the ones that were black with a few white spots survived and blended in better, leaving them to breed and produce more black-coloured moths that would survive easily.

This shows the changing of a trait because ones that used to be mostly white were killed, showing a shift in the trait pattern in favour to the black moths that now lived instead of the white moths.

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