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Updated: May 14, 2025
But this increasing difficulty of complex evolution is only overcome by some favourably-varying individuals and species not by all. And as the difficulty increases we find neglect and decay of the less-needed faculties as with domesticated animals and civilized men, who lose in one direction while they gain in another.
There must apparently be a constitutional or inheritable predisposition or fitness for the habits spoken of, which otherwise would scarcely be continued for many generations, except by the favourably-varying branches of a family: which again is selection rather than use-inheritance. Where is the necessity for even the remains of the Lamarckian doctrine of inherited habit?
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