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「species」が名詞として使われる場合、生物学における分類階級の一つで、似た特徴を持つ個体群を指す。また、広義には種類や類を表すのにも用いられる。具体的な例を以下に示す。
・例文出典:Wiktionary
出典:『Wiktionary』 (2026/03/24 17:30 UTC 版)
From Latin speciēs (“appearance; quality”), from speciō (“see”) + -iēs suffix signifying abstract noun. Doublet of spice.
species (countable and uncountable, plural species or (rare, nonstandard) specieses)
From speciō (“to see”) + -iēs.
(kind): Compare typologically Bulgarian вид (vid), Russian вид (vid), разнови́дность (raznovídnostʹ) (akin to ви́деть (vídetʹ)).
speciēs f (genitive speciēī); fifth declension
Fifth-declension noun.
| singular | plural | |
|---|---|---|
| nominative | speciēs | speciēs |
| genitive | speciēī | fōrmārum |
| dative | speciēī | fōrmīs |
| accusative | speciem | speciēs |
| ablative | speciē | fōrmīs |
| vocative | speciēs | speciēs |
In Classical Latin including that of Cicero, inflections of fōrma are used to substitute for the genitive plural and dative and ablative plural.
Later on a full paradigm became acceptable:
Fifth-declension noun.
出典:Wikipedia
出典:『Wikipedia』 (2011/07/03 03:50 UTC 版)
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 adequate, more precise or differing measures are often used, such as similarity of DNA, morphology or ecological niche. Presence of specific locally adapted traits may further subdivide species into subspecies.
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