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Based on Charles Darwin's observations in the Galapagos Islands, why did tortoises in the Galapagos Islands have longer necks than tortoises in dry lowlands? Choose the best answer.Those with long necks could reach more leaves and access more food than those with short necks.The trait was randomly selected by chance.Longer necks promoted more prolific mating and populations growth.genetic variationIn order for organisms to ch
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