speciation

常见例句

Microevolution looks at changes within species overtime — changes that may be preludes to speciation, the origin of newspecies.
物種的微觀進化隨時都在發生——變化可能導致物種形成，這就是新物種的起源。
Some researchers have argued that speciation rates, both terrestrial and marine, could be much higher in the tropics, making them a "cradle" of biodiversity.
一些專家認爲，在熱帶地區的陸地和海域，物種形成的機率更高，這樣就使熱帶地區成爲了生物多樣性的搖籃。
Researchers usually link speciation to some sort of physical barrier, such as a river or mountain, which divides populations and causes them to evolve independently.
研究人員通常把物種形成與某種物理屏障相聯系，如河流或山脈，這種屏障分隔種群，使它們獨立進化。

The dominant theory of speciation is that it results from a slow accumulation of genetic mutations.
ECONOMIST: Genes are not all there is to heredity
Boeke says that when more of the yeast genome is synthesized, researchers will be able to use the system to study evolution and speciation.
FORBES: Yeast Goes Synthetic
So the epigenetic hypothesis of speciation has an edge.
ECONOMIST: Genes are not all there is to heredity