We do know that it evolved several times in living birds, so that it may be just a parallel evolution of this feature.
我们确实知道它在现存鸟类中进化了几次，所以它可能只是这个特征的平行进化。
Parallel evolution
原声例句
古生物科普
经济学人（汇总）
The range of human foods is not just a source of epicurean joy but a reflection of ecological and anthropological variety -- the consequence of tens of thousands of years of parallel yet independent cultural evolution.
范围广泛的人类食物不仅是享口腹之乐的源泉，也是生态和人类学多样性的反映——这是数万年平行而独立的文化进化的结果。
中文百科
平行演化
定义：两个或多个相关但不同种系的生物，因生活在相似环境而发育了相似的形状。
- 趋同演化
- 演化
- 基因重复
- 同源
- 分子演化
- 平行演化
- 物种形成
英语百科
Parallel evolution 平行演化
Parallel evolution is the development of a similar trait in related, but distinct, species descending from the same ancestor, but from different clades.
- not too shabby的意思
- not too well的意思
- not to put too fine a an edge on it的意思
- not to put too fine a an edge upon it的意思
- not to put too fine an edge on it的意思
- not to put too fine an edge upon it的意思
- not to put too fine a point on的意思
- not to put too fine a point on it的意思
- not to put too fine a point upon it的意思
- not to say的意思
- Not to Scale的意思
- not to scale for diameter or length的意思
- not to speak of的意思
- not touch的意思
- not touch something with a barge pole的意思
- not touch something with a ten foot pole的意思
- Nottoway的意思
- Nottoway County的意思
- Nottoway R.的意思
- Nottoways的意思
- not to worry的意思
- not trading for profit的意思
- not transferable的意思
- not transited的意思
- not transmit to another channel的意思