News tagged with evolutionary analyses
New and improved tomato analyzer
May 04, 2009 |
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Tomatoes come in a variety of sizes and shapes, making them the perfect subject to test shape-analyzing software. The Tomato Analyzer is "rapidly becoming the standard for fruit morphological characterizations," ...
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Scientists Use MicroRNAs to Track Evolutionary History for First Time
Sep 09, 2009 |
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(PhysOrg.com) -- A team of scientists from Yale University and Dartmouth College has used microRNA data to investigate the evolutionary relationships of annelids, which include earthworms, leeches and bristle ...
Reproducing early and often is the key to rapid evolution in plants
Biology /
Oct 02, 2008 |
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Yale researchers have harnessed the power of 21st century computing to confirm an idea first proposed in 1916 — that plants with rapid reproductive cycles evolve faster. Their findings appear in the October 3rd edition of ...
Poisonous Poisson
Dec 04, 2009 |
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In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the ...
Analysis finds strong match between molecular, fossil data in evolutionary studies
Other Sciences / Archaeology & Fossils
Apr 28, 2009 |
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During a seminar at another institution several years ago, University of Chicago paleontologist David Jablonski fielded a hostile question: Why bother classifying organisms according to their physical appearance, ...
Fossil data plugs gaps in current knowledge, study shows
Biology /
Oct 02, 2007 |
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Researchers have shown for the first time that fossils can be used as effectively as living species in understanding the complex branching in the evolutionary tree of life.
Homebody queen ants help preserve family ties in large populations
Mar 31, 2009 |
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Ant and bee colonies have long fascinated biologists because of their hierarchical social structure and the apparently altruistic behaviour of female workers in rearing the queen's young rather than reproducing themselves. ...
Big-brained animals evolve faster
Biology /
Aug 15, 2008 |
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Ever since Darwin, evolutionary biologists have wondered why some lineages have diversified more than others. A classical explanation is that a higher rate of diversification reflects increased ecological ...
Early family ties: No sponge in the human family tree
Apr 02, 2009 |
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Since the days of Charles Darwin, researchers are interested in reconstructing the "Tree of Life", and in understanding the development of animal and plant species during their evolutionary history. In the case of vertebrates, ...
Molecular Decay of Enamel-Specific Gene in Toothless Mammals Supports Theory of Evolution
Sep 04, 2009 |
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(PhysOrg.com) -- Biologists at the University of California, Riverside report new evidence for evolutionary change recorded in both the fossil record and the genomes (or genetic blueprints) of living organisms, ...
Scientists uncover evolutionary keys to common birth disorders
Biology /
Jan 14, 2009 |
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The work of Forsyth scientist Peter Jezewski, DDS, Ph.D., has revealed that duplication and diversification of protein regions ('modules') within ancient master control genes is key to the understanding of certain birth disorders. ...
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