The term often leads into confusion, however, since international compact cars are somewhat larger than their North American equivalents, mostly because no supermini/subcompact size is manufactured by American, Mexican and Canadian car makers up to date.
By the late 1860's, Darwin came to describe this process as the survival of the fittest. This is very different from Lamarck's incorrect idea that the environment altered the shape of individuals and that these acquired changes were then inherited.
In the popular mind, any reference to Darwin, Darwinism, or evolution calls up the idea of survival of the fittest, which is generally understood to mean relentless and ruthless competition in which the strong prevail over the weak--might makes right..