Sexual dimorphism
hideSexual dimorphism is the systematic difference in form between individuals of different sex in the same species. Examples include colour (specifically referred to as sexual dichromatism), size, and the presence or absence of parts of the body used in courtship displays or fights, such as ornamental feathers, horns, antlers or tusks.
For more information about Sexual dimorphism, read the full article at
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News tagged with sex differences
Male and female shopping strategies show evolution at work in the mall
Other Sciences / Social Sciences
46 minutes ago |
4.5 / 5 (2) |
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Male and female shopping styles are in our genes---and we can look to evolution for the reason. Daniel Kruger, research faculty at the University of Michigan School of Public Health, says it's perfectly natural that men often ...
Scientists find a common link of bird flocks, breast milk and trust
Aug 13, 2009 |
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What do flocks of birds have in common with trust, monogamy, and even breast milk? According to a new report in the journal Science, they are regulated by virtually identical neurochemicals in the brain, known ...
Men better at distance vision due to hunter-gatherer past: study
Medicine & Health / Psychology & Psychiatry
Jul 30, 2009 |
3.7 / 5 (9) |
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Men are better at seeing things in the distance due to their hunter-gatherer past chasing animals, while women are better focusing on things at close range, a British study said Thursday.
Single women gaze longer
Other Sciences / Social Sciences
Jun 03, 2009 |
3.7 / 5 (3) |
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A study by neuroscientist Heather Rupp and her team found that a woman's partner status influenced her interest in the opposite sex.
Women with arthritis more likely than men to stop working
Apr 30, 2009 |
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Arthritis can have significant physical and psychological repercussions that impact quality of life and for those of working age, it can affect their ability to remain employed. Compared to individuals with other types of ...
Older men more likely than women to die after pneumonia
Apr 29, 2009 |
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Differing biological response to infection between men and women may explain higher death rates among older men who are hospitalized with community-acquired pneumonia (CAP). The findings, published online in the Critical Ca ...
Lack of ability does not explain women's decisions to opt out of math-intensive science careers
Medicine & Health / Psychology & Psychiatry
Mar 03, 2009 |
3 / 5 (3) |
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Women don't choose careers in math-intensive fields, such as computer science, physics, technology, engineering, chemistry, and higher mathematics, because they want the flexibility to raise children, or because they prefer ...
Inbreeding insects cast light on longer female lifespans
Biology /
Feb 06, 2009 |
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Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...
Neurobiologist proposes 'The end of sex as we once knew it'
Feb 02, 2009 |
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(PhysOrg.com) -- Women are not from Venus any more than men are from Mars. But even though both sexes are perfectly terrestrial beings, they are not lacking in other differences. And not only in their reproductive organs ...
Language performance and differences in brain activity possibly affected by sex
Jan 29, 2009 |
5 / 5 (1) |
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In a new fMRI study conducted in the Epidemiology, Biostatistics and Clinical Research Laboratory (Montpellier I University, France) and published by Elsevier in the February 2009 issue of Cortex, researchers found differ ...
Asthma in boys may be just a phase, but for girls it may be there to stay
Aug 15, 2008 |
4 / 5 (1) |
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Boys may be more apt than girls to have childhood asthma, but, when compared to girls, they are also more likely to grow out of it in adolescence and have a decreased incidence of asthma in the post-pubertal years. This indicates ...
