英語「species」の意味・使い方・読み方 | Weblio英和辞書 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
英語「variant」の意味・読み方・表現 | Weblio英和辞書 名詞 variant (plural variants) Something that is slightly different from a type or norm All breeds of dog are variants of the species “ Canis lupus familiaris ” (genetics) A different sequence of a gene (locus)