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species British & World English

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens

species English Thesaurus

there are several species of spadefoot toad

sp. in species British & World English

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. The species is the principal natural taxonomic unit, ranking below a genus and denoted by a Latin binomial, e.g. Homo sapiens

species rose British & World English

A rose belonging to a distinct species and not to one of the many varieties produced by hybridization

type species British & World English

The species on which a genus is based and with which the genus name remains associated during any taxonomic revision

species barrier British & World English

The natural mechanisms that prevent a virus or disease from spreading from one species to another

endangered species British & World English

A species of animal or plant that is seriously at risk of extinction

keystone species British & World English

A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically

subspecies British & World English

A taxonomic category that ranks below species, usually a fairly permanent geographically isolated race. Subspecies are designated by a Latin trinomial, e.g. (in zoology) Ursus arctos horribilis or (in botany) Beta vulgaris crassa

superspecies British & World English

A group of largely allopatric species which are descended from a common evolutionary ancestor and are closely related but too distinct to be regarded as subspecies of one species

indicator species in indicator British & World English

An animal or plant species which can be used to infer conditions in a particular habitat

Muridae: three species in grasshopper mouse British & World English

A mainly carnivorous North American mouse with a stout body, gray or brownish fur, and a short white-tipped tail

Monarchidae: numerous species in fantail British & World English

A flycatcher with a long tapering tail that is often fanned out, found mainly in SE Asia and Australasia