News tagged with sexual conflict
Biologists turn back the clock to understand evolution of sex differences
Sex differences account for some of the most of the spectacular traits in nature: the wild colours of male guppies, the plumage of peacocks, tusks on walruses and antlers on moose. Sexual conflict – the ...
May 03, 2012 |
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Mantis males engage in riskier mating behavior if deprived of female access
Male praying mantises are more likely to engage in risky mating behavior if they have not had recent access to females, as reported Apr. 25 in the open access journal PLoS ONE. Female praying mantises are kn ...
Apr 25, 2012 |
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Coevolution not healthy for the female sea monkey
(PhysOrg.com) -- In a new study titled Male-Female Coevolution in the Wild: Evidence from a Time Series in Artemia Franciscana and published in Evolution, evolutionary ecologist Nicolas Rode from the Cent ...
Jun 20, 2011 |
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Aggressive male mating behavior can endanger species
Aggressive male mating behavior might well be a successful reproductive strategy for the individual but it can drive the species to extinction, an international research team headed by evolutionary biologist Daniel Rankin ...
May 16, 2011 |
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Human gender roles influence research on animals
In a recent study published in Animal Behavior, biology researchers Kristina Karlsson Green and Josefin Madjidian at Lund University in Sweden have shown that animals' and plants' traits and behavior in sexual conflicts are co ...
Mar 18, 2011 |
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No easy solution to genetic 'battle of the sexes'
A new study published today shows a genetic 'battle of the sexes' could be much harder to resolve and even more important to evolution than previously thought.
Nov 04, 2010 |
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Female marine snails trick amorous males
Sexual conflict is not only a human phenomenon. Swedish scientists at the University of Gothenburg have shown that females of the rough periwinkle conceal their gender identity in order to avoid excessive ...
Sep 13, 2010 |
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Old males win sex battle
(PhysOrg.com) -- Old roosters can still dominate the sexual pecking order even when their ability to fertilise eggs drastically declines, new Oxford University research has shown.
Jun 25, 2010 |
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Small But Mighty Female Lizards Control Genetic Destiny
(PhysOrg.com) -- "Be faithful in small things because it is in them that your strength lies." Mother Teresa's words echo throughout the world. They ring particularly true in the biological kingdom among brown ...
Apr 05, 2010 |
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The sexual tug-of-war -- a genomic view
The genes that are most beneficial to males are the most disadvantageous for females, and vice versa. However, this genetic conflict between the sexes is important in maintaining genetic variation within a species, researchers ...
Mar 15, 2010 |
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Researchers reveal secrets of duck sex: It's all screwed up
Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
Dec 23, 2009 |
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Stopping rape as an object of war
(PhysOrg.com) -- It is a disturbing truth that sexual- and gender-based violence (SGBV) is used as a war tactic in developing nations. Silvia Dominguez, assistant professor of sociology at Northeastern University, ...
Other Sciences / Social Sciences
Dec 04, 2009 |
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