 of subjects other than
biology. Thus forms or analogs of procreation, natural selection, and evolution
either may or do exist in fields such as physical chemistry, geology, psychology,
and cosmology. The implication may variously be that life is not limited
or peculiar to biology, that life must be otherwise defined or defined
via other properties, that the essential phenomena of biology should include
more than organisms, or that biology should be recast into a superscience
incorporating many other scienc