Only a few genetic changes are needed to spur the evolution of new species—even if the original populations are still in contact and exchanging genes. Once started, however, evolutionary divergence evolves rapidly, ultimately ...
Evolution
Oct 31, 2013
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(Phys.org)—The origin of Cerataspis monstrosa has been a mystery as deep as the ocean waters it hails from for more than 180 years. For nearly two centuries, researchers have tried to track down the larva that has shown ...
Plants & Animals
Aug 27, 2012
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A new and comprehensive analysis confirms that the evolutionary relationships among animals are not as simple as previously thought. The traditional idea that animal evolution has followed a trajectory from simple to complex—from ...
Jan 27, 2009
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(PhysOrg.com) -- New research from Montana State University's Museum of the Rockies has revealed how dinosaurs like Velociraptor and Deinonychus used their famous killer claws, leading to a new hypothesis on the evolution ...
Archaeology
Dec 14, 2011
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Scientists expect climate change and warmer oceans to push the fish that people rely on for food and income into new territory. Predictions of where and when species will relocate, however, are based on broad expectations ...
Environment
Sep 12, 2013
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Moths are iconic examples of camouflage. Their wing coloration and patterns are shaped by natural selection to match the patterns of natural substrates, such as a tree bark or leaves, on which the moths rest. But, according ...
Plants & Animals
Jul 31, 2012
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Early action could be crucial to addressing the problem of major increases in jellyfish numbers, which appears to be the result of human activities.
Ecology
Jun 8, 2009
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(Phys.org)— A new study, published online in Biology Letters on September 19, has utilized a massive molecular dataset to reconstruct the evolutionary history of lizards and snakes. The results reveal a surprising finding ...
Evolution
Sep 19, 2012
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After hiking in Oregon, a University of Oregon plant biologist suggests, people may want to brush off their shoes and comb through their dogs in an effort to curb the spread of an invasive grass that is expanding its range.
Ecology
Nov 15, 2011
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Recently, climate change, including global warming, has been a "hot" news item as many regions of the world have experienced increasingly intense weather patterns, such as powerful hurricanes and extended floods or droughts. ...
Environment
Jul 26, 2013
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