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Evolution Occurs Faster at the Equator
Continue to the storyShane Wright of the University of Auckland, New Zealand, and colleagues looked at the rate of molecular evolution for 45 tropical plants and compared it to that of related species living at more temperate latitudes and found that those living in tropical climates evolve faster than those living in more temperate zones. This could help explain why rainforests have such rich biodiversity compared to other parts of the planet.