News tagged with natural selection

A snapshot of pupfish evolution in action

Chris Martin has bred more than 3,000 hybrid fish in his time as a graduate student in evolution and ecology at UC Davis, a pursuit that has helped him create one of the most comprehensive snapshots of natural selection in ...

dateJan 10, 2013 in Evolution
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All sperm are not equal

An experimental study from researchers at Uppsala University provides evidence that in Atlantic salmon, selection acting upon sperm phenotypes within a single ejaculate of a male affects the time until hatching in the resulting ...

dateFeb 13, 2014 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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