Application to Other Species. Cited E-mail the author.
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This is the continuance of physical structures in a body over time. Individual atoms may be replaced, but the replacement atoms must be of the same elements as the atoms lost, so that the structures retain their functional characteristics over time. Some inanimates lack long-term structure. Other inanimates, such as crystals, passively retain their structure over time. And some inanimates actively maintain, and even replicate, their structure.