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

Funding front-line action for the world's forgotten frogs

Frogs have been around for about 140 million years, since dinosaurs roamed the Earth, and are found in most moist corners of the world. IUCN has assessed 6,340 species of these tailless and smooth-bodied amphibians, and almost ...

Study on plant roots challenges nature of ecological trade-offs

The specific traits of a plant's roots determine the climatic conditions under which a particular plant prevails. A new study led by the University of Wyoming sheds light on this relationship—and challenges the nature of ...

Genetics influences physical fitness of tilapia

Wageningen University & Research scientists have demonstrated that genes influence swimming fitness of tilapia. As there are indications that fitter fish are also healthier and more resilient, the researchers recommend including ...

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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.

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