…For example, it is known that in mammals of the same species, the more northerly they live, the larger their bodies are and the shorter their limbs are. This is thought to be an adaptation to the cold, and this type of characteristic gradient is called a cline. On the other hand, variation observed in a small population in a limited area is called individual variation or individual difference. … *Some of the terminology that mentions "cline" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…例えば哺乳類では,同一種でも北方にすむものほど体が大きく,また手足が相対的に短いという傾向が知られている。これは寒さに対する適応とみられ,このような形質のこう配をクラインclineと呼ぶ。他方,ある限られた地域の小集団でみられる変異を個体変異または個体差という。… ※「cline」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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