The question of what defines a species has vexed scientists ... and make it impossible to compare research have not come to pass. "There are many concepts in science that lack a unified meaning ...

Henry Taylor does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

At present, there are at least 26 species concepts in use in biology which adds enormous ... How does the species category compare with other scientific groups or types of things like say the ...

Here we explain why we foresee such a dramatic transformation, and why we believe the molecular reductionism that dominated twentieth-century biology ... of the concept of a 'species' when ...

The researchers' comparison ... sex between the species. "These are pretty remarkable differences that we didn't expect," said Palenik, a professor in the Marine Biology Research Division at ...

A lizard lineage which has evolved over the last 19 million years has helped scientists to re-think one of the most important concepts of modern biology ... triggered when a species encounters ...