News tagged with stickleback fish
Social behavior can make predators even pickier
Your greedy cat may turn up his nose at different food, but wild animals can be conservative when it comes to food choices too. And new research suggests that, in a group, even adventurous individuals can ...
Aug 18, 2011 |
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Researchers find first-ever 'wanderlust gene' in tiny bony fish
(PhysOrg.com) -- A gene previously associated with physical traits is also dictating behaviour in a tiny fish widely regarded as a living model of Darwin's natural selection theory, according to a University ...
Aug 05, 2009 |
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Study first to show evolution's impact on ecosystems
Scientists have come to agree that different environments impact the evolution of new species. Now experiments conducted at the University of British Columbia are showing for the first time that the reverse is also true.
Apr 01, 2009 |
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Search results for stickleback fish
Diseases and sex: The cocktail maintaining immune gene variation
The great variation of a specific form of immune genes makes organ transplants so complicated. On the other hand, we need such a great variability in order to resist infectious diseases. This is why it also ...
Jan 10, 2012 |
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Global warming changes balance between parasite and host in fish
(PhysOrg.com) -- Parasitic worms that infect fish, and have a devastating effect on fish reproduction, grow four times faster at higher temperatures – providing some of the first evidence that global warming affects ...
Dec 04, 2011 |
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Early growth trajectories have long-term effects on fitness, study finds
(PhysOrg.com) -- Food supply and environmental conditions affect the growth rates of organisms, which in turn influence future survival and reproduction. A new study by researchers at the University of California, ...
Oct 28, 2011 |
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Sequencing of cod genome reveals unique immune system characteristic
(PhysOrg.com) -- Researchers working out of Norway's University of Oslo have discovered through sequencing the genome of the Atlantic cod that the fish doesn't have a gene critical to the immune system in ...
Aug 11, 2011 |
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Species reemergence after collapse: Possible but different
Species pairs that disappear through hybridization after human-induced changes to the environment can reemerge if the disturbance is removed, according to a new mathematical model that shows the conditions under which reemergence ...
May 20, 2011 |
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RAD-tagging technology is demystifying genome sequencing
Take millions of puzzle pieces containing partial words and put them back together into full words, sentences, paragraphs and chapters until the book these random parts came from is rebuilt.
Apr 26, 2011 |
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Missing DNA helps make us human
A new study demonstrates that specific traits that distinguish humans from their closest living relatives – chimpanzees, with whom we share 96 percent of our DNA – can be attributed to the loss of chunks of DNA ...
Mar 09, 2011 |
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Noise distracts fish from their dinner
Using underwater speakers to play noise at levels similar to those produced by recreational speedboats, the researchers found that three-spined sticklebacks exposed to even brief noise playback made more foraging mistakes ...
Feb 28, 2011 |
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Ecologists get fish eye view of sexual signals
Carotenoid pigments are the source of many of the animal kingdom's most vivid colours; flamingos' pink feathers come from eating carotenoid-containing shrimps and algae, and carotenoid colours can be seen among garden birds ...
Nov 10, 2010 |
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Your plaice or mine? Male fish refuse to ask for directions
(PhysOrg.com) -- Male fish are so stubborn that they refuse to ask for directions, especially when they are ready to reproduce.
Sep 07, 2010 |
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List of search results for stickleback fish
