Three mechanisms that operate in the process of natural selection

Required whole:

mechanism for generating diversity within a continous lineage

genetic, mutationssexual reproduction mixing of alleles, variable expression

selection filter that allows differential survival or success

death or elimination from the breeding pool is crucial

barrier to overproduction of any one version at any one time

recessive alleles, variable expression

Fractured and abused metaphors:

All participants in this discussion attempt to legitimize their claims by referring to metaphors from the physical and life sciences.

The metaphors that have been by employed in this discussion have been extended or fractured from their original use and meaning.

A "black-boxed" metaphor may have lost context or complimentary pieces that made the full metaphor in the first place.

 

Reference:

Adams, Richard Newbold. 1988. The Eighth Day: Social Evolution as the Self-Organization of Energy. University of Texas Press, Austin