A tale that describes an environmental change and the importance of genetic variation is a tale of the giraffes that had longer necks that helped the species survive this change.
Once upon a time there was a group of giraffes, and the giraffes that had the shortest neck, disdained the giraffes with the longer neck, but with global warming, the smaller trees died and only the larger trees, with deeper roots survived, as a result, those with small necks did not survive, and those with long necks prevailed.
With this information, we can conclude that a tale that describes an environmental change and the importance of genetic variation is a tale of the giraffes that had longer necks that helped the species survive this change.
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