A team of researchers from several institutions in France and China has conducted a decade-long study of the degree of human impact on river systems around the world over the past two centuries. In their paper published in ...
A new website makes exploring the evolutionary tree of life as easy as using an online mapping service.
Plants & Animals
Oct 16, 2012
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(PhysOrg.com) -- UConn ornithologist Chris Elphick and his colleagues carried out DNA tests to discover the paternity of Saltmarsh Sparrow nestlings.
Plants & Animals
Dec 9, 2009
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Researchers at SF State have clarified part of the family tree of sea creatures called skates, shedding light on the evolution of a novel reproductive strategy in two skate species. Their study was published in the journal ...
Plants & Animals
Feb 26, 2014
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In 1837, Charles Darwin drew a tree of life, a primitive sketch suggesting that all organisms shared a common ancestry. Today, scientists still are trying to reconstruct these evolutionary branches, but using tools, such ...
Evolution
May 1, 2014
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(Phys.org)—Of the two bat species known to visit the flowers of the cardon cactus in Baja California, one depends entirely on nectar and is highly specialized to feed from the flowers, which are adapted for pollination ...
Plants & Animals
Dec 6, 2012
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Mutually beneficial partnerships among species may play highly important but vastly underrecognized roles in keeping the Earth's ecosystems running, a group of evolutionary biologists suggests in a study.
Ecology
Oct 19, 2010
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Ludwig Maximilian University of Munich biologists have studied the evolutionary history of symbioses between tropical ants and their plant hosts. The results show that such relationships are not fixed, and that initial symbionts ...
Plants & Animals
Nov 30, 2015
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Brown algae are not just seaweed that float in the ocean and tangle swimmers' feet—they also contains a secret. In its cell wall, brown algae hold the polysaccharide alginate, one of the most abundant carbohydrates in the ...
Biochemistry
Dec 20, 2019
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(Phys.org)—The relationship between species determines how rapidly they evolve. Parasites and their hosts coevolve more rapidly, and partners in a mutualistic relationship can evolve more slowly. But this view is obviously ...
Evolution
Sep 24, 2012
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