The oak beauty exhibits melanism and comes in two different variations; a dark ( melanic ) form and light ( typica ) form.
42.
This has led to the coining of the term " industrial melanism " to refer to the genetic darkening of species in response to pollutants.
43.
Of the subspecies, the black-faced impala is significantly larger and darker than the common impala; melanism is responsible for the black colouration.
44.
The entomologist Michael Majerus discussed criticisms made of Kettlewell's experimental methods in his 1998 book " Melanism : Evolution in Action ".
45.
Melanism in leopards is inherited as a leopards were photographed at sixteen sites in the Malay Peninsula in a sampling effort of more than 1000 trap nights.
46.
Melanism is widespread in domestic cats, and has a cultural significance among human societies as many superstitions and legends have been historically created regarding black cats.
47.
Studies reported in " New Scientist " magazine in 2003 also suggested that recessive-gene melanism is linked to disease resistance rather than altitude.
48.
:The Peppered moth evolution article uses the term " industrial melanism " . talk ) 04 : 20, 25 August 2011 ( UTC)
49.
Because many of those he trapped were black mutants, he " became intrigued with melanism, " the subject of Ford and Kettlewell's work.
50.
Ford was the supervisor of Bernard Kettlewell during Kettlewell's famous experiments on the evolution of melanism in the peppered moth, " Biston betularia ".