(Phys.org)—A study of closely-related bird species has found that they do not coexist in the same region because they remain too ecologically similar and will out-compete each other, not because of geographical ...

Biology - Ecology

Dec 13, 2012 5 / 5 (1) 1 |

Climate change concerns like melting icecaps, increased desertification, loss of coral reefs and the extinction of species like polar bears can seem a distant concern in our everyday lives. Little attention, however, has ...

Space & Earth - Environment

Mar 11, 2009 1.7 / 5 (6) 2

A gene that helped one species split into two species shows evidence of adapting much faster than other genes in the genome, raising questions about what is driving its rapid evolution.

Biology -

Feb 05, 2009 4.8 / 5 (11) 1