英语释义

• the evolution of a biological species

片语

Peripatric speciationallopatric, peripatric, parapatric and sympatric speciatio]]

Stasipatric speciation滞域成种

extrinsic speciation外因性物种的形成

differentiated speciation分化式物种形成

Catastrophic Speciation灾变式物种形成

successional speciation继承式物种形成

ecological speciation生态的物种形成

sympatric speciation[进化] 同域物种形成

Directed speciation定向成种

英汉例句

• In contrast, Marine holoplanktons are thought to have lower diversity and slow speciation due to their strong dispersal potential.

  然而，海洋终生浮游生物由于具有较强的扩散能力，往往被视为生物多样性低、物种形成慢。

• 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.

  研究人员通常把物种形成与某种物理屏障相联系，如河流或山脉，这种屏障分隔种群，使它们独立进化。

• The impacts of chelator on metal speciation concentrations correlativity and fly ashes oxidation ability are different.

  络合剂的存在对飞灰氧化能力影响与金属形态浓度相关性的影响是不同的。

• Whether speciation is achieved normally via genetic drift or natural selection is the subject of much ongoing discussion.

  究竟正常的物种形成是通过遗传漂变还是通过自然选择达到的，是现在正在进行热烈讨论的话题。

• The result indicated that speciation ofallopolyploid wheat induced rapid and extensive genetic and epigenetic changes in thegenome.

  结果表明，小麦异源六倍体物种形成诱发迅速且广泛的基因组遗传变异和表观遗传变异。

• Often cited examples of sympatric speciation are found in insects which become dependent on different host plants in the same area.

  经常提到的同域物种形成实例，是在同一地区的、依赖于不同寄主植物的昆虫中发现的。

• Then, sometime between 1.3 million and 2 million years ago, carnation speciation exploded.

  然后，大约是在1300,000年至2000,000年前，石竹科物种形成爆发了。

• Indeed, many think that regulatory changes are at the heart of speciation and may have played a large role in the evolution of humans from their predecessors.

  确实，许多人相信调控方面的变化处于物种形成的核心，可能在人从其祖先的进化历程中扮演了一个重要角色。

• The origin of such large amounts of constitutive heterochromatin and their role in karyotype evolution and speciation remain a mystery.

  如此大量的结构异染色质的来源及其在染色体组型进化和物种形成中的任务仍是一个谜。

• Trevor Price, an evolutionary ecologist at the University of Chicago in Illinois, says that the authors make a compelling case for speciation driven by sensory changes.

  TrevorPrice是伊利诺斯州芝加哥大学的一名进化生态学家，他说，由于感官变化驱使的物种形成，作者提出充分的理由，令人佩服。

• This paper reviewed studies on cryptic species and speciation in Marine holoplankton.

  本文就海洋终生浮游生物隐种与物种形成的研究作一综述。

• Reduction of ovule number as a tendency of speciation in the genus is substantiated by the occurrence of tri_ovulate cones coupled with comprehensive characters of the genus.

  基于返祖性畸形三胚珠球花的出现及其他形态特征，认为麻黄属胚珠数目减少是该属内物种特化的一个趋势；