Related topics: climate change · extinction · plants · biodiversity · plos one

How do wild pigs affect riparian systems?

In the U.S., wild pigs are an invasive species and can cause a lot of damage to the ecosystems in which they live. In the September 15th Soils Matter blog, Sara Bolds from Auburn University writes about how wild pigs can ...

A novel fly species discovered in Finland

Researchers from the University of Eastern Finland and the Zoological Museum of the University of Turku have published in the journal ZooKeys an official description for Scenopinus jerei, a new fly species from Finland. This ...

Flipping the 'genetic paradox of invasions'

The green crab, Carcinus maenas, is considered a globally distributed invasive species, an organism introduced by humans that eventually becomes overpopulated, with increased potential to negatively alter its new environment. ...

Stronger lettuce stems are a key part of disease resistance

Lettuce drop is a lettuce disease that results in browning or wilting of leaves, plant collapse, and death. The disease has not been well-researched, but a new study shows that a stronger stem increases resistance to lettuce ...

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Species

In biology, a species is:

There are many definitions of what kind of unit a species is (or should be). A common definition is that of a group of organisms capable of interbreeding and producing fertile offspring, and separated from other such groups with which interbreeding does not (normally) happen. Other definitions may focus on similarity of DNA or morphology. Some species are further subdivided into subspecies, and here also there is no close agreement on the criteria to be used.

This text uses material from Wikipedia, licensed under CC BY-SA