Species
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| - | {{Template}}In [[biology]], a '''species''' is one of the basic units of [[biological classification]] (see the diagram at the side -- a [[genus]] contains one or more species, etc.) A usable definition of the word "species" and reliable methods of identifying particular species are essential for stating and testing biological theories and for measuring [[biodiversity]]. A species consists of individual organisms that are very similar in appearance, anatomy, physiology, and genetics due to having relatively recent common ancestors. Traditionally, multiple examples of a proposed species must be studied for unifying characters before it can be regarded as a species. | + | {{Template}}In [[biology]], a '''species''' is one of the basic units of [[biological classification]]. |
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| - | The commonly used names for plant and animal taxa sometimes correspond to species: for example, "[[lion]]," "[[walrus]]," and "[[Camphor tree]]." But they often do not: for example, "[[deer]]" refers to a family of 34 species, including the [[Red Deer]] and [[Mule Deer]]. | + | |
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