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

Lefties and righties: Asymmetry in fish genitalia

Evolutionary biologists from the University of Konstanz have resolved a century-old question regarding the asymmetric genitals of internally fertilizing fishes of the family Anablepidae. Surprisingly, the direction of genital ...

Study reveals the hidden fight within corals

Researchers from the School of Biological Sciences and Swire Institute of Marine Science at the University of Hong Kong are working to understand how the coral symbiosis may respond to global warming through changes in their ...

Bats are hosts to a range of viruses but don't get sick – why?

Bats harbour many diverse viruses, including coronaviruses. Indeed, SARS, Mers and COVID-19—which are all caused by coronaviruses—are thought to have emerged from bats. These diseases can be deadly to humans, yet bats ...

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.

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