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
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1600
It seems unnatural that a species could survive without having sex. Yet over the ages, evolution has endowed females of certain species of amphibians, reptiles and fish with the ability to clone themselves, and perpetuate ...
Plants & Animals
Apr 17, 2015
0
32
Imagine how easy life would be if you could produce offspring without a mate. Sexual reproduction is the most common mating system in the animal kingdom. But in many species, females do not require males to produce offspring ...
Other
Feb 13, 2015
2
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A team of researchers has discovered that changes in population density can affect the size of animals' testes and therefore impact on reproduction.
Plants & Animals
Aug 13, 2014
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0
Plants which used to have two types of male reproductive organs – to increase their chances for fertilisation – are reverting back to one type. And in some cases, they are becoming self-fertilising.
Plants & Animals
Jul 14, 2014
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0
A small tree or shrub found in mountainous Central and South American rainforests has a most unusual relationship with the birds that pollinate its flowers, according to a study reported in the journal Current Biology on ...
Plants & Animals
Jul 3, 2014
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0
Whether an insect will have a male or female offspring depends on the weather, according to a study led by Joffrey Moiroux and Jacques Brodeur of the University of Montreal's Department of Biological Sciences. The research ...
Plants & Animals
May 22, 2014
1
0
(Phys.org) —Animal genitalia are structurally diverse organs that can evolve rapidly under powerful selective forces exerted by the peculiarities of sexual reproduction. An overarching review of the existing evolutionary ...
Evolution
May 7, 2014
1
1
Glossy magazines and TV reality shows often portray males as the gender that strays and females as the gender that's picky.
Plants & Animals
Apr 15, 2014
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It is fair to say we belong to a species obsessed by sex. We are among the only species to have sex for fun, not just for reproduction. For some other species, though, sex is far from fun. In fact, as two recent review papers ...
Plants & Animals
Mar 11, 2014
1
0
