Evolving 'lovesick' organisms found survival in sex
Being 'lovesick' takes on a whole new meaning in a new theory which answers the unsolved fundamental question: why do we have sex?
Plants & Animals
Mar 28, 2017
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Page 3 - News tagged with asexual reproduction
First shark recorded to change from sexual to asexual reproduction
Leonie the leopard shark has made a switch that could save her species – becoming the first shark recorded to change from sexual to asexual reproduction.
Plants & Animals
Jan 17, 2017
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Mystery of colourful giant plants of the subantarctic solved
The mystery of why so many plants on New Zealand's otherwise bleak subantarctic islands have very large deeply coloured flowers and giant leaves has been solved by new University of Otago research.
Plants & Animals
Sep 16, 2016
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How honeybees do without males
An isolated population of honeybees, the Cape bees, living in South Africa has evolved a strategy to reproduce without males. A research team from Uppsala University has sequenced the entire genomes of a sample of Cape bees ...
Plants & Animals
Jun 9, 2016
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Why did sex evolve? Prof Laurence Hurst explores
The reason why, in terms of evolution, organisms have sex may seem rather obvious – they do it to reproduce. Clearly, natural selection must favour individuals who can reproduce over those who can't. But this is missing ...
Evolution
Mar 1, 2016
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Research affirms sexual reproduction avoids harmful mutations
(Phys.org)—Sex or no sex? Using various species of the evening primrose (Oenothera) as his model, Jesse Hollister, a former University of Toronto post-doctoral fellow, and his colleagues have demonstrated strong support ...
Evolution
Jan 12, 2015
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Researchers test whether Red Queen hypothesis makes species resilient
In Lewis Carroll's 1871 classic novel Through the Looking Glass, the Red Queen tells Alice: "Now, here, you see, it takes all the running you can do, to keep in the same place."
Plants & Animals
May 20, 2014
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Fungal sex can generate new drug resistant, virulent strains
Though some might disagree, most biologists think the purpose of sex is to create diversity among offspring. Such diversity underpins evolution, enabling organisms to acquire new combinations of traits to adapt to their environment.
Cell & Microbiology
Sep 10, 2013
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Diatom sex pheromone isolated and characterized
(Phys.org)—Diatoms (unicellular photosynthetic organisms) reproduce through asexual cell division alternating with short periods of sexual reproduction. A German and Belgian team has now determined that pheromones play ...
Biochemistry
Dec 14, 2012
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Girl power: Female boa constrictor doesn't need a male
In a finding that upends decades of scientific theory on reptile reproduction, researchers at North Carolina State University have discovered that female boa constrictors can squeeze out babies without mating.
Plants & Animals
Nov 3, 2010
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