Mammoths stopped shedding. Eventually, they lost the ability to shed fur.
Natural Selection
The Holocaust has nothing to do with natural selection, or vice versa. The Holocaust was the result of atrocious crimes committed under the leadership of a few madmen, inspired by a long tradition of antisemitism. Natural selection is a model that describes differential reproductive success in natural populations, under natural circumstances.
Its NaTuRaL sElEcTiOn if you didn't know.
Disruptive selection
This is another statement that describes "survival of the fittest."
Adaptation does not allow for natural selection: natural selection causes adaptation.
Herbert Spencer is often considered the father of social Darwinism. He applied Charles Darwin's theory of natural selection to society, arguing that social progress resulted from the natural selection of the fittest individuals and the survival of the strongest.
The prefix of natural selection is "natural" and the suffix is "-tion".
Mathematical analysis in genetics and comparative genomics can show scientists to what degree a particular genetic sequence resulted from selection pressures at a given time in the evolutionary history of the organism under consideration.
Genetic variation in itself does not 'support' natural selection: it is what natural selection acts upon.
Natural Selection
Natural selection.