morphological species

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• Species — In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is …   Wikipedia

• species — /spee sheez, seez/, n., pl. species, adj. n. 1. a class of individuals having some common characteristics or qualities; distinct sort or kind. 2. Biol. the major subdivision of a genus or subgenus, regarded as the basic category of biological… …   Universalium

• Species group — A species group is an informal taxonomic rank into which an assemblage of closely related species within a genus are grouped because of their morphological similarities[1][2] and their identity as a biological unit with a single monophyletic… …   Wikipedia

• species — (singular and plural)) biologically, a group of populations of actually or potentially interbreeding organisms which are reproductively isolated (by behavior, ecology, morphology or physiology) from other such groups. Historically, a cohesive… …   Dictionary of ichthyology

• Plasmodium species infecting birds — Species in five subgenera of Plasmodium infect birds Bennettinia , Giovannolaia , Haemamoeba , Huffia and Novyella .Wiersch S.C., Maier W.A., Kampen H. (2005) Plasmodium (Haemamoeba) cathemerium gene sequences for phylogenetic analysis of malaria …   Wikipedia

• Bird species new to science described in the 2000s — See also parent article Bird species new to science This page details the bird species described as new to science in the years 2000 to 2009:ummary statisticsNumber of species described per yearCountries with high numbers of newly described… …   Wikipedia

• Automated species identification — The automated identification of biological objects such as insects (individuals) and/or groups (e.g., species, guilds, characters) has been a dream among systematists for centuries. The goal of some of the first multivariate biometric methods was …   Wikipedia

• linnaean species — noun Usage: usually capitalized L : a taxonomic species distinguished on morphological grounds; specifically : one of the large species delimited on broad morphological grounds by Linnaeus or another of the early naturalists compare macrospecies …   Useful english dictionary

• Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… …   Wikipedia

• Introduced species — Alien species redirects here. For life on planets other than Earth, see Extraterrestrial life. For a list of extraterrestrials in fiction, see List of alien species. Sweet clover (Melilotus sp.), introduced and naturalized to the U.S. from… …   Wikipedia

• Cryptic species complex — In biology, a cryptic species complex is a group of species which satisfy the biological definition of species that is, they are reproductively isolated from each other but whose morphology is very similar (in some cases virtually identical). The …   Wikipedia