The accidental discovery of fossilized three-spine stickleback bones dating back 12 thousand years, has enabled scientist to confirm parallel evolution, or evolutionary changes or adaptions which take place repeatedly.
Molecular & Computational biology
Mar 19, 2021
0
171
Animal species in different parts of the world can evolve in "parallel" in response to similar conditions, according to a new study of fish.
Evolution
Dec 1, 2020
0
114
In order to escape predators, many fish—including insects, fish and birds—have developed strategies for rapidly transmitting information on threats to others of their species. This information is transmitted within a ...
Plants & Animals
Nov 9, 2020
0
44
A research project on algal blooms along the Swedish coast, caused by eutrophication, revealed that large predators such as perch and pike are also necessary to restrict these blooms. Ecologist Britas Klemens Eriksson from ...
Plants & Animals
Aug 27, 2020
0
46
Many new parents are familiar with terms like "baby brain" or "mommy brain" that hint at an unavoidable decline in cognitive function associated with the hormonal changes of pregnancy, childbirth, and maternal caregiving. ...
Plants & Animals
Sep 30, 2019
1
65
How did some marine fish manage to make their way from the salty sea to the newly available freshwater niches after the last ice age and eventually differentiate from their marine brethren?
Evolution
May 30, 2019
0
216
Stickleback fish are able to adapt their vision to new environments in less than 10,000 years, a blink of the eye in evolutionary terms, according to new research by University of British Columbia biodiversity experts.
Plants & Animals
May 4, 2016
0
23
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
2
766
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
3
206
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
0
208
