natural selection; survival of the fittest
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Meanings
1 sense · 4 examplesnoun
natural selection; the evolutionary mechanism by which organisms better adapted to their environment tend to survive and produce more offspring
technicalCore concept in evolutionary biology introduced by Charles Darwin. The process involves variation, inheritance, selection pressure, and adaptation over generations.
Dá达
ěr尔
wén文
tí提
chū出
le了
zì自
rán然
xuǎn选
zé择
xué学
shuō说
。
Darwin proposed the theory of natural selection.
Zì自
rán然
xuǎn选
zé择
shì是
shēng生
wù物
jìn进
huà化
de的
zhǔ主
yào要
jī机
zhì制
。
Natural selection is the primary mechanism of biological evolution.
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Zài在
zì自
rán然
xuǎn选
zé择
de的
zuò作
yòng用
xià下
，
yǒu有
lì利
biàn变
yì异
bèi被
bǎo保
liú留
xià下
lái来
。
Under the influence of natural selection, advantageous variations are preserved.
Cháng长
jǐng颈
lù鹿
de的
cháng长
bó脖
zi子
jiù就
shì是
zì自
rán然
xuǎn选
zé择
de的
jié结
guǒ果
。
The giraffe's long neck is the result of natural selection.