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 71 not coevolved DHJanzen100153.jpg high resolution
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| While the acacia-ant and the ant-acacia are clearly coevolved (that is to say, neither acquired its relevant traits in the absence of the selective effects of their impact on the other), there are a variety of other obligatory or facultative interactants with the ant-acacia that do not display coevolution with the ant-acacia or the acacia-ant. A brief look at three of these situations may help clarify what is evolution versus coevolution. | ||
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