I can find no word that defines the relationship between people who feed birds and the birds who eat the food given to them. In 1879 Heinrich Anton de Bary coined the term “symbiosis” and defined it ...

WARNING ANIMAL DISSECTION! The film "Parasitism: Parasitic Flatworms" explores the relationship between parasitic flatworms and their hosts, detailing how these organisms live off other animals for ...

AbstractPolymicrobial interactions are widespread in nature and play a major role in maintaining human health and ecosystems. Whenever one organism uses metabolites produced by another organism as ...

Usually, we think of evolution as a slow, gradual process — but Yale scientists have shown that vast changes in species can occur in just short periods of time. A study spearheaded by Jason Shapiro ...

When we think of different species interacting in nature, we might tend to think of predators and prey. But there are many other connections in our ecosystems that go beyond that. As organisms evolve ...

Symbiosis is from the Greek for “living together.” A symbiosis is any sort of persistent interaction between two species. Forms of symbiosis include parasitism, which involves a species living off a ...

A carrion crow brood parasitized by a great spotted cuckoo is shown. This image relates to a paper that appeared in the 21 March, 2014, issue of <i>Science</i>, published by AAAS. The paper, by ...