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.
Survival of the Fittest. It was Herbert Spencer, not Darwin, who coined the phrase 'survival of the fittest' due to the fact that he believed human behavior was designed in a way that strives for self-preservation. Darwin later used the term 'survival of the fittest' in his edition of Origins of the Species. The theory of social Darwinism created the thinking of the 'survival of the fittest' as that the strongest and the fittest should survive and flourish in society, and the weak should be allowed to die out.