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The concept became a foundation of the [[eugenics]] movement, which sought to eliminate "less desirable" people.  The phrase also went on to promote harmful ideas such as [[Social Darwinism]] and [[fascism]].   

The concept became a foundation of the [[eugenics]] movement, which sought to eliminate "less desirable" people.  The phrase also went on to promote harmful ideas such as [[Social Darwinism]] and [[fascism]].   

Modern biologists tend not to use the phrase for two reasons.  First, it is nonsensical because it reduces to an informal [[tautology]] as one defines "fittest" to mean possessing attributes conducive to survival.  Second, it is disfavored by [[liberals]] who view it as [[politically incorrect]].

Modern biologists tend not to use the phrase for two reasons.  First, it is nonsensical because it is circular: "fittest" is defined to mean possessing attributes conducive to survival.  Second, the phrase is disfavored by modern [[liberals]] who view it as [[politically incorrect]].

== References ==

== References ==