News tagged with natural selection

How are hybridized species affecting wildlife?

Researchers who transplanted combinations of wild, domesticated, and domesticated-wild hybridized populations of a fish species to new environments found that within 5 to 11 generations, selection could remove introduced ...

dateSep 15, 2014 in Ecology
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UMSL scholar examines evolution of learning

Why do monkeys learn to be afraid of snakes and not flowers? Is this knowledge the result of evolution by natural selection? Did the monkeys that couldn't learn that association quickly die and not reproduce?

dateAug 14, 2014 in Evolution
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There's more than one way to silence a cricket

For most of us, crickets are probably most recognizable by the distinctive chirping sounds males make with their wings to lure females. But some crickets living on the islands of Hawaii have effectively lost their instruments ...

dateMay 29, 2014 in Plants & Animals
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