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ADAPTATION (from Lat. adaptare. to fi...

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Originally appearing in Volume V01, Page 183 of the 1911 Encyclopedia Britannica.
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ADAPTATION (from See also:Lat. adaptare. to See also:fit to) , a See also:process of fitting, or modifying, a thing to other uses, and so altering its See also:form or See also:original purpose. In literature there may be, e.g., an adaptation of a novel for a See also:drama, or in See also:music an arrangement of a piece for two hands into one for four, &c. In See also:biology, ac-cording to the See also:doctrine of See also:evolution, adaptation plays a prominent See also:part as the process by which an organism or See also:species of organisms becomes modified to suit the conditions of its See also:life. Every See also:change in a living organism involves adaptation; for in all cases life consists in a continuous See also:adjustment of See also:internal to See also:external relations. Every living organism reacts to its environment; if the reaction is unfavourable, See also:disability leading to ultimate extinction is the result. If the reaction is favourable, its result is called an adaptation. How far such adaptations are produced afresh in each See also:generation, whether or no their effects are transmitted to descendants and so directly modify the stock, to what extent adaptations characteristic of a species or variety have come about by selection of individuals capable, in each generation, of responding favourably, or how far by the selection of individuals fortuitously suitable to the environment, or, how far, possibly by the See also:inheritance of the responses to the environment, are problems of biology not yet definitely solved.

End of Article: ADAPTATION (from Lat. adaptare. to fit to)

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ADANSON, MICHEL (1727-1806)
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ADAPTIVE TYPES OF LIMBS AND FEET