lauantai 4. heinäkuuta 2009

Lisää maailmanlopun edellä kutistuvista lampaista


But scientists say it is hard to predict which will be winners and losers from the change, partly because of the complexity of separating out evolutionary pressures from environmental factors.

The new study, published in the US journal Science, could help, said Coulson.

“Biologists have realised that ecological and evolutionary processes are intricately intertwined, and they now have a way of dissecting out the contribution of each,” he said.

“Unfortunately, it is too early to tell whether a warming world will lead to pocket-sized sheep.”

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