最終更新日：2025/12/03
An ecogeographic principle broadly stating that animals adapted to cold climates have relatively short limbs. Specifically, homeothermic animals in hot climates have low volume-to-surface ratios, and homeothermic animals in cold climates have high volume-to-surface ratios, due to thermal adaptation.
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Allen's rule
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元となった辞書の項目
Allen's rule
固有名詞
An
ecogeographic
principle
broadly
stating
that
animals
adapted
to
cold
climates
have
relatively
short
limbs.
Specifically,
homeothermic
animals
in
hot
climates
have
low
volume-to-surface
ratios,
and
homeothermic
animals
in
cold
climates
have
high
volume-to-surface
ratios,
due
to
thermal
adaptation.
日本語の意味
寒冷な環境での熱損失を避けるため、恒温動物は比較的短い四肢や尾などを持つ傾向がある一方、温暖な環境ではそれらの末端が長くなるという、生態地理学上の形態適応の法則
意味（1）
An
ecogeographic
principle
broadly
stating
that
animals
adapted
to
cold
climates
have
relatively
short
limbs.
Specifically,
homeothermic
animals
in
hot
climates
have
low
volume-to-surface
ratios,
and
homeothermic
animals
in
cold
climates
have
high
volume-to-surface
ratios,
due
to
thermal
adaptation.
