Evolution is usually thought of as occurring over long time periods, but it also can happen quickly. Consider a tiny fish whose transformation after the 1964 Alaskan earthquake was uncovered by University of Oregon scientists ...
Evolution
Dec 14, 2015
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208
The house mouse, stickleback fish and honey bee appear to have little in common, but at the genetic level these creatures respond in strikingly similar ways to danger, researchers report. When any of these animals confronts ...
Evolution
Dec 1, 2014
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Just three years after crayfish were introduced to a B.C. lake, two species of fish that had existed in the lake for thousands of years were suddenly extinct. But it's what took their place that has scientists fascinated.
Ecology
Feb 23, 2016
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Evolutionary biologists often debate on whether sexual selection can lead to new species. Most studies have focused on natural selection or, for the few studies that considered sexual selection, on how picky females select ...
Plants & Animals
Jan 27, 2016
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206
(Phys.org)—New research from the University of Glasgow suggests that lifespan is affected by the rate at which bodies grow early in life.
Plants & Animals
Dec 12, 2012
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(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University of British Columbia ...
Plants & Animals
Aug 5, 2009
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How and why fish swim in schools has long fascinated biologists looking for clues to understand the complexities of social behavior. A new study by a team of researchers at Fred Hutchinson Cancer Research Center may help ...
Plants & Animals
Sep 12, 2013
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(PhysOrg.com) -- Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the genetic changes ...
Biotechnology
Apr 4, 2012
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DNA regions susceptible to breakage and loss are genetic hot spots for important evolutionary changes, according to a Stanford study. The findings may lead to new understanding of human evolution.
Evolution
Jan 4, 2019
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247
With a mate and a nest to protect, the male threespined stickleback is a fierce fish, chasing and biting other males until they go away.
Biotechnology
Nov 15, 2012
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