New research from the University of East Anglia shows that an evolutionary force known as 'sexual selection' can explain the persistence of sex as a dominant mechanism for reproducing offspring.
Evolution
May 18, 2015
13
1600
Annual killifish are known to live their lives at one of two speeds: "pause" or "fast-forward." For most of the year, the tiny freshwater fish persist as diapausing embryos buried in sediments across the African savannah, ...
Plants & Animals
Aug 6, 2018
1
404
(Phys.org) —As is the case in all areas of science, our understanding of evolutionary biology is… well, evolving. Two such areas are macroevolution (any evolutionary change at or above the level of species – that is, ...
California sea lions have managed to maintain—and, in the case of males, increase—their average body size as their population grows and competition for food becomes fiercer. This is in contrast to other marine mammals, ...
Plants & Animals
Apr 27, 2023
0
76
Could widespread conjugal visitation reduce sexual offending in prisons? It's a possibility, according to Stewart D'Alessio and his team from Florida International University in the US. Their work shows that in states where ...
Social Sciences
Mar 21, 2012
0
0
A new study challenges long-standing expectations that men are promiscuous and women tend to be more particular when it comes to choosing a mate. The research, published by Cell Press in the April issue of the journal Trends ...
Evolution
Apr 24, 2009
6
0
Why do most plants and animals engage in sexual reproduction?
Evolution
Feb 11, 2020
0
259
The ice is melting, the sea level is rising and species are conquering new habitats. The warming of the world climate has many consequences. In the current issue of the renowned journal 'Proceedings of the National Academy ...
Ecology
Jul 23, 2009
0
0
What's so great about sex? From an evolutionary perspective, the answer is not as obvious as one might think. An article published in the July issue of the American Naturalist suggests that sex may have evolved in part as ...
Plants & Animals
Jul 6, 2009
6
0
In nature, male attempts to mate with females can be so extreme that they can harm the females. Such negative impacts of mating interactions have been suggested to promote the emergence of new species under some circumstances. ...
Plants & Animals
Mar 21, 2019
0
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