News tagged with reproductive tactics
Sexual Encounters of the Third Kind: Darwin's Beetles Still Producing Surprises
(PhysOrg.com) -- On the eve of Charles Darwin’s 200th birthday, researchers at the University of New Mexico and University of Montana report a new twist in sexual selection theory - the realm of evolutionary ...
Biology /
Feb 06, 2009 |
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When to have kids: A complex question for hazel dormice
Claudia Bieber from the Research Institute of Wildlife Ecology (FIWI) of the University of Veterinary Medicine, Vienna, and fellow scientists analysed a capture-recapture data set on common dormice (Muscardinus avellanarius) to inv ...
Apr 27, 2012 |
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A mighty revealing mouse
Ten years ago, when Prof. Neville Pillay first started investigating the semi-desert-dwelling African striped mouse or Rhabdomys in the Goegap Nature Reserve near Springbok, Northern Cape, he never anticipated ...
Feb 01, 2012 |
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Infectious fungus, thought to be asexual, isn't: More evidence of sex in the Candida genus
The fungi of the Candida genus, known to millions of patients worldwide for their ability to cause serious infections, were once all thought to be asexual. Even after scientists discovered that the mating habits of Candid ...
Dec 05, 2011 |
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Dating drought or purple patch? How males choose mates
(PhysOrg.com) -- Males decide how much effort they put into courtship and which females to court based on how many others they have recently encountered and how attractive they were, according to a new study into the mating ...
Oct 11, 2011 |
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Vicious queen ants use mob tactics to reach the top
Leptothorax acervorum ants live all over the Northern hemisphere, but their reproductive strategy depends on habitat. Colonies are polygynous (more than one queen) in the forest of Siberia and central Europe, but functionally ...
Sep 30, 2011 |
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Insect 'incest' signals an end to males
(PhysOrg.com) -- Evolution may lead to males disappearing as they are replaced by 'parasitic fathers' who infect their daughters at birth in order to mate with them.
Jul 15, 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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Abortion foes' tactics highlight high NYC rate
(AP) -- Ciara Guernon was in a troubled relationship and working three jobs when she learned she was pregnant. The 22-year-old began calling people to see if they would lend her money for an abortion. "I didn't ...
Apr 06, 2011 |
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Researchers document the biology behind a sex oddity
(PhysOrg.com) -- A paper published in Nature Communications reveals the molecular biology behind a certain worm's ability to break -- or at least ignore -- the laws of Mendelian genetics.
Jan 24, 2011 |
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A love game: Fish courtship more complex than thought
Monash University researchers have discovered that male Australian desert goby fish are surprisingly strategic when it comes to courtship, adapting their tactics depending on the frequency of their contact ...
Nov 10, 2010 |
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