New research suggests that Darwinian evolution could be happening up to four times faster than previously thought, based on an analysis of genetic variation.
) in Scotland. It's the first time that the speed of evolution has been assessed on such a large scale.
"A common example of fast evolution is the peppered moth, which prior to the industrial revolution in the UK was predominantly white," says Bonnet."With pollution leaving black soot on trees and buildings, black moths had a survival advantage because it was harder for birds to spot them." As there's no baseline to work from – this is the first study of its type – the researchers emphasize there's not yet enough evidence to show species are evolving faster than in the past. What is clear is that there's more of this"fuel of evolution" than we thought.
France Dernières Nouvelles, France Actualités
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