News tagged with natural selection

Bigger brains led to bigger bodies in our ancestors

New research suggests that humans became the large-brained, large-bodied animals we are today because of natural selection to increase brain size. The work, published in the journal Current Anthropology, contradicts previous ...

dateApr 18, 2016 in Evolution
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Research resolves old polymorphism puzzle

The coexistence within species of two or more different forms has puzzled biologists for more than a century. According to evolutionary theory, natural selection should remove inferior individuals from the population, and ...

dateMar 11, 2016 in Plants & Animals
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