Sentence examples for definition species from inspiring English sources

This is expressed in the following definition: Species are groups of interbreeding natural populations that are reproductively isolated from other such groups.

By this definition, species are considered reproductive communities within which sexual reproduction routinely occurs, and beyond which it does not (with some major exceptions, especially in certain groups of plants).

The retrieved item shows classification information, including gene ID, function definition, species and cluster ID under different inflation values.

However, because indeterminate growth is not consistently defined in the literature and there is a lack of consensus on the definition, species that would otherwise be considered as indeterminately growing may have their growth erroneously labelled as determinate or vice versa.

The reader may not have been aware that any other definition of "species" than the biological species concept existed, but after the introduction, the ongoing debate on species definition becomes clear.

Here, we use Whittaker's definition of species diversity (SppD) to express species richness as a logarithmic function of sampling area (Whittaker 1970).

One of the major questions that arose during this work was related to the definition of species and the genetic variation within species.

But in the debate about the definition of species, some have adopted a purely ahistorical functional concept of species, such as Van Valen's Ecological Species Concept.

This is very similar to a definition of "species" by the geneticist Alan Templeton, who said that species were "the most inclusive population of individuals having the potential for phenotypic cohesion through intrinsic cohesion mechanisms", "that defines a species as the most inclusive group of organisms having the potential for genetic and/or demographic exchangeability".

De Queiroz therefore proposed a definition of species that is in agreement with all modern species concepts.

Much of the variation lies in the definition of species, and whether closely related taxa are considered separate species or subspecies.