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词汇 Speciation event
分类 英语词汇 英语翻译词典
释义

Speciation event

英语例句库

Polyploidy is a mechanism often attributed to causing some speciation events in sympatry.

多倍性常被当作引起在同一地区并存的物种发生物种形成事件的一种机制。

原声例句
科学60秒 2018年11月合集

And so being able to have a precise chronometer we can relate things like speciation events, or dispersals of various life forms.

我们可以通过一个精确的时钟将各种事件关联起来,比如物种起源或各种生命形式的分散等。

英语百科

Speciation

Comparison of allopatric, peripatric, parapatric and sympatric speciation
Japanese rice fish
Freshwater angelfish, a cichlid

Speciation is the evolutionary process by which reproductively isolated biological populations evolve to become distinct species. The biologist Orator F. Cook was the first to coin the term 'speciation' for the splitting of lineages or "cladogenesis," as opposed to "anagenesis" or "phyletic evolution" occurring within lineages. Charles Darwin was the first to describe the role of natural selection in speciation. There is research comparing the intensity of sexual selection in different clades with their number of species.

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