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.

Oct. 10, 2024 — They say that hindsight is 20/20, and though the theory of ecological speciation -- which holds that new species emerge in response to ecological changes -- seems to hold in ...

The Earth is currently experiencing its sixth major extinction event. One million species globally are at risk of extinction in the next few decades, including 27 percent of the world’s mammals, 41 ...

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 ...

There are two main species of wood ants - hairy wood ants and red wood ants. Hairy wood ants are a northern species in the UK, but they are found as far south as mid Wales. They are less fussy ...

This insight could help scientists more effectively capture carbon in plantation forests, or even breed tulip tree-like wood into other species to increase their carbon appetite. For now ...

The questions "What are species?" and "How do we identify species?" are difficult to answer, and have led to debate and disagreement among biologists. See how consensus on answers to these ...

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 ...

I write about the world of biology. Numerous shark species are capable of inflicting mortal harm on humans. Here are ten species that ... [+] researchers know for sure have killed at least one ...

Number of Fish Species at Risk of Extinction Fivefold Higher Than Previous Estimates, According to a New Prediction Aug. 29, 2024 — Researchers predict that 12.7% of marine teleost fish species ...

A bee in your bonnet has nothing on a wasp in your belly. Mississippi scientists have discovered a new species of wasp that lays eggs in living flies so the babies burst out of their bellies ...

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 ...