An ecosystem is like a great organism in that the species in it behave in a manner similar to the manner in which cells behave within the human body: the group forms a permanent entity, although the ...

From tiny viruses and bacteria, unrecognized for millennia, to blue whales weighing 200 tons, and fungi that spread for hundreds of hectares underground, the diversity and extent of life on Earth is ...

The presence of an invasive species in an ecosystem makes native organisms more susceptible to pollutants and may encourage the spread of additional invasive species, according to new research. The ...

Ecologists have long understood food chains. The animal at the top, the prime predator in an ecosystem, was believed to be the most significant. That predator helped keep their prey in check. That ...

Dr. Luis Buatois (Ph.D.) traces a series of hexagons with his finger, following the path carved by tiny organisms millions of years ago that have long since left these unique fossils in their wake. It ...

From a biological perspective, it is important for scientists and the general public to understand that organisms do interact with their environment; in this sense, it often incorporates the terms ...