News tagged with natural selection

Mystery of the flatfish head solved

Those delicious flatfishes, like halibut and sole, are also evolutionary puzzles. Their profoundly asymmetrical heads have one of the most unusual body plans among all backboned animals (vertebrates) but the evolution of ...

dateJun 25, 2012 in Archaeology & Fossils
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Scientists reveal driving force behind evolution

Scientists at the University of Liverpool have provided the first experimental evidence that shows that evolution is driven most powerfully by interactions between species, rather than adaptation to the environment.

dateFeb 25, 2010 in Evolution
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Can a plant be altruistic?

The concept of altruism has long been debated in philosophical circles, and more recently, evolutionary biologists have joined the debate. From the perspective of natural selection, altruism may have evolved because any ...

dateNov 11, 2009 in Plants & Animals
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Evolution may take giant leaps

( -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in the environment.

dateDec 11, 2009 in Evolution weblog
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