Last Updated：2025/11/19
(evolutionary theory) A process by which heritable traits conferring survival and reproductive advantage to individuals, or related individuals, tend to be passed on to succeeding generations and become more frequent in a population, whereas other less favourable traits tend to become eliminated; the differential survival and reproduction of phenotypes.
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natural selection
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Source Word
natural selection
Noun
uncountable
(evolutionary
theory)
A
process
by
which
heritable
traits
conferring
survival
and
reproductive
advantage
to
individuals,
or
related
individuals,
tend
to
be
passed
on
to
succeeding
generations
and
become
more
frequent
in
a
population,
whereas
other
less
favourable
traits
tend
to
become
eliminated;
the
differential
survival
and
reproduction
of
phenotypes.
Japanese Meaning
進化の過程において、有利な遺伝的特徴が選ばれて次世代へ伝えられ、その結果、集団内でその特徴が増加し、不利な特徴が淘汰される現象。 / 生存と繁殖において優位な形質を持つ個体が選択され、その形質が世代を重ねるごとに集団内で拡大する現象。 / 自然淘汰、あるいは自然選択とも呼ばれ、環境適応の結果、適応度の高い特徴が伝播される進化のメカニズム。
Sense（1）
(evolutionary
theory)
A
process
by
which
heritable
traits
conferring
survival
and
reproductive
advantage
to
individuals,
or
related
individuals,
tend
to
be
passed
on
to
succeeding
generations
and
become
more
frequent
in
a
population,
whereas
other
less
favourable
traits
tend
to
become
eliminated;
the
differential
survival
and
reproduction
of
phenotypes.
