ベルクマンの法ほう則そく

expression, noun

Bergmann's rule

A biological principle stating that within a broadly distributed taxonomic clade, populations and species of larger size are found in colder environments, and species of smaller size are found in warmer regions.

• ベルクマンの法ほう則そくによると、寒さむい地ち域いきの動どう物ぶつは体からだが大おおきくなる傾けい向こうがある。

  According to Bergmann's rule, animals in colder regions tend to have larger bodies.