Adaptive

(adj.) having a capacity for adaptation; 'the adaptive coloring of a chameleon' .

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• The real affinities of all organic beings, in contradistinction to their adaptive resemblances, are due to inheritance or community of descent. 查尔斯·达尔文. 物种起源.
• We can understand, on the above views, the very important distinction between real affinities and analogical or adaptive resemblances. 查尔斯·达尔文. 物种起源.
• We are least likely in the modifications of these organs to mistake a merely adaptive for an essential character. 查尔斯·达尔文. 物种起源.

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