The idea of a species is fundamental to the way that many people understand the structure of life on Earth. But ask 10 ...

No need for niches? Neutral theory explains biodiversity when species are identical. Niche differences, or the unique ways that each species “makes its living” in nature, are the classical ...

Although measuring a species' niche breadth is not a simple task given the large number of potentially relevant factors that may limit the survival and reproduction of a species, there is ...

The species thus occupies an "empty" ecological niche. This situation allows two interpretations. First, one can see the introduction as an alteration of the ecosystem by an alien element that at ...

Before arriving in North America, the species is believed to have invaded South American rivers through ballast water—the ...

The discovery hints at a previously unexplored ecological niche involving Chrysonotomyia parasitoids, cynipid gall wasps, and ...

Another unifying factor is the rule of natural selection, which continues to act on species that have adapted to an environmental niche. A combination of the two -- natural selection and gene flow ...

The genetic history of the aurochs, an extinct cattle species, was a mystery until scientists analyzed DNA found in the bones of ancient animals.

A team of paleontologists recently discovered that an ancient seascape known for its diverse assemblage of exceptionally ...

Its appearance in the Sacramento-San Joaquin Delta is the mussel’s first confirmed detection in North America, according to a ...

No, it’s not Barbie Land; this is called the 4B movement, a niche and yes, extreme ... can you really blame some women for ...

Elves and dwarves are iconic fictional species across countless fantasy settings ... but too many of them felt niche. Trance ...