The Evolution of Melanism was created in 1973.
Melanism is rarer than Albinism
There has never been a confirmed case of melanism among cougars.
Melanism is an increased amount of black pigmentation. Melanism may be possible in humans but there has never been a case of it. It mainly affects animals such as the panther.
Melanism melanoid melano hypermelanoid
peppered moth
Industrial Melanism
Because albinism (just like melanism) is an illness. You can find albinism in white, black or other populations. Would blacks like it to be compared with melanism ?
Industrial melanism is a phenomenon where organisms in a population have darker pigmentation due to environmental changes caused by industrial pollution. This adaptation helps them blend into their surroundings better, reducing their risk of predation. One famous example is the peppered moth in Britain during the industrial revolution.
Albinism (just like melanism) is an illness. You can find albinism in white, black or other populations. Like white people can't be compared with albinism, so can't black people be compared with melanism.
Yes, and no. A black panther/black puma is really a jaguar, or leopard, that has melanism. That is when the cats fur is turned black. Some cats with melanism you can still see some of the tawny and spots. Cats with melanism can have littermates without it. It is possible that all animals can get it.
The effects industrial melanism is that it has produced more dark-colored moths than lighter ones. It has changed balance of population between the two types since the lighter ones were killed by the sulfur dioxide brought about by industrial pollution. This is true specifically for the peppered moth or Biston bitularia.