evolution
(ev″ŏ-loo′shŏn)
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[L. evolutio, unrolling]
The accumulation over time of sufficient heritable changes within the germ cells of organisms to significantly change their adult forms. More generally, any orderly and gradual process of modification whereby a system, whether physical, chemical, social, or intellectual, becomes more highly organized.There's more to see -- the rest of this topic is available only to subscribers.
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