News tagged with natural selection

When plants go polyploid

(PhysOrg.com) -- Plant lineages with multiple copies of their genetic information face higher extinction rates than their relatives, researchers report in Science magazine.

dateSep 13, 2011 in Plants & Animals
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What blind beetles can teach us about evolution

Evolution is often perceived as being a "directional" or "adaptive" process. We often think of species evolving to become stronger or faster, or to have sharper teeth, for example. And we tend to see this ...

dateFeb 05, 2015 in Evolution
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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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