a species
51species — *class, category, genus, denomination, genre Analogous words: *type, kind, sort, description, character, nature …
52species — is pronounced spee sheez, and is unchanged in the plural. Note that specie, pronounced spee shi, is a technical term for coin as opposed to paper money …
53species — [n] class, variety breed, category, collection, description, division, group, kind, likes*, lot, nature, number, order, sort, stripe*, type; concept 378 …
54Species — 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 …
55Species problem — The species problem is a mixture of difficult, related questions that often come up when biologists identify species and when they define the word species .One common but sometimes difficult question is how best to decide just which particular… …
56Species distribution — A species range maps represents the geographical region where individuals of a species can be found. This is a range map of Juniperus communis, the common juniper. Species distribution is the manner in which a biological taxon is spatially… …
57Species-area curve — The species area relationship for a contiguous habitat In ecology, a species area curve is a relationship between the area of a habitat, or of part of a habitat, and the number of species found within that area. Larger areas tend to contain… …
58Species of Psittacosaurus — Seventeen species have been assigned to the extinct ceratopsian dinosaur genus Psittacosaurus , although only nine to eleven are considered valid.Xu Xing Zhao Xijin. (1999). Psittacosaur fossils and their stratigraphical implications. In: Wang Y …
59Species of Allosaurus — There have been a number of potential species assigned to the carnosaurian dinosaur genus Allosaurus since its description in 1877 by Othniel Charles Marsh, but only a handful are still regarded as valid. Allosaurus was originally described from… …
60Species 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… …
