Sex is an expensive business, biologically speaking. Finding a suitable mate takes time and energy. Offspring are also a huge investment of resources. But sex does offer a rewarding possibility: children who are fitter than ...
Plants & Animals
Jan 28, 2022
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Smell is a vital part of sexual attraction for all kinds of animals (including humans). We may be able to use smell to improve breeding programs by giving the female animal a sample sniff of potential mates and letting her ...
Plants & Animals
Mar 19, 2019
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Okayama University researchers confirm the role of mate-guarding in males for blocking the female's visual familiarity with rival males to improve mating success in a medaka fish model.
Plants & Animals
Nov 21, 2016
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Female mice are attracted more strongly to the odour of healthy males than unhealthy males. This had already been shown in an earlier study by researchers from the Konrad Lorenz Institute of Ethology at the Vetmeduni Vienna. ...
Plants & Animals
Mar 13, 2015
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Males will mate with anything. Well, that is the general view, one that exists because of a simple biological underpinning: females are reproductively limited by costly gestation, while males are only limited by their number ...
Plants & Animals
Apr 11, 2014
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In many primates, females mate with multiple partners, causing an often-intense competition amongst males to pass along their DNA to be king of the genome as well as the jungle.
Evolution
Mar 5, 2014
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The Black Widow spider gets its name from the popular belief that female spiders eat their male suitors after mating. However, a new study has shown that the tendency to consume a potential mate is also true of some types ...
Plants & Animals
May 6, 2013
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(Phys.org)—A new study provides the first evidence of polyandry – when females choose to mate with more than one male – in female fallow deer.
Plants & Animals
Jan 30, 2013
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In many organisms females directly or indirectly select mates (or sperm) and potentially influence the fitness of their offspring. Mate choice and sexual selection in plants is more complex in some ways than in animals because ...
Plants & Animals
Jun 27, 2011
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Mate choice, competition, and the variety of resources available are the key factors influencing how a species evolves into separate species, according to a new mathematical model that integrates all three factors to reveal ...
Evolution
Jun 24, 2011
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