The genome of an important bacteria contains far more 'junk DNA' than scientists expected -- making its genome more closely resemble that of a higher lifeform. Scientists have found something they can ...

A food web is a detailed interconnecting diagram that shows the overall food relationships between organisms in a particular environment. The simplest explanation is that food webs are "who eats whom" ...

Explanations for the occurrence of deep-rooted plants in arid and semi-arid ecosystems have traditionally emphasized the uptake of relatively deep soil water. However, recent hydrologic data from arid ...