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species US 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 US Thesaurus

there are several species of spadefoot toad

sp. in species US 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 US English

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

type species US English

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

species barrier US English

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

endangered species US English

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

keystone species US English

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

subspecies US 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 subsp. crassa

superspecies US 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 US English

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

Muridae: three species in grasshopper mouse US English

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


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