A keystone in an arch's crown secures the other stones in place. Keystone species play the same role in many ecological communities by maintaining the structure and integrity of the community.

Dozens of studies have demonstrated that nitrogen pollution, due mainly to the burning of fossil fuels and agricultural ...

An ecologically realistic 24-year field study of grasslands showed that elevated levels of carbon dioxide nearly tripled ...

These hungry insectivores definitely prefer some plants over others. Chief among them is goldenrod (Solidago species), so ...

Crustacean With Panda-Like Coloring Confirmed to Be a New Species Oct. 24, 2024 — Decades after it was first found in Japan, a crustacean species with unique black-and-white coloring resembling ...

In nature, species will sometimes form unexpectedly close bonds and work to their mutual benefit. Symbiotic relationships are the close associations formed between pairs of species. They come in a ...

A species is a group of organisms that interbreed to produce fertile offspring. Selective breeding is when organisms are deliberately bred so their offspring have the desirable characteristics.

Florida International University (FIU) scientists have finally identified a new species of hammerhead shark years after first collecting samples, but the shark's official discovery comes as its ...

A species is a distinct group of organisms and the most basic unit used to measure life on Earth. However, there’s no single definition of a species, meaning this vital concept in biology can be ...

If we lived in an ordinary time—time here being understood in the long, unhurried sense of a geologic epoch—it would be nearly impossible to watch a species vanish. Such an event would occur ...

A species is a group of living organisms that are all broadly similar and can, at least in principle, breed with one another. This seems straightforward enough, but the word “species” is ...