tags: researchblogging.org, evolution, speciation, Pod Mrcaru lizard, Podarcis sicula, reptiles
Pod Mrcaru lizard, Podarcis sicula.
Image: Anthony Herrel (University of Antwerp) [larger view]
Evolution has long been thought to occur slowly, due to small and gradual genetic changes that accumulate over millions of years until eventually, a new species arises. However, recent research has been calling this assumption into question. According to a study that was just published by an international team of scientists, dramatic physical changes can occur very rapidly -- on the order of just 30…
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