Source Word
Allen's rule
Proper noun
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.
Japanese Meaning
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
Sense（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.
