The question is not regarding the validity of speciation.
这个问题与物种形成论的正确性无关。
This is closer to biology, especially with speciation, how two distinct species form from one.
它更接近生物，尤其是物种的形成，也就是一个物种如何形成两个截然不同的物种。
This division set the stage for allopatric speciation among populations of fishes and other marine species.
这种划分为鱼类和其他海洋物种的分区物种形成奠定了基础。
Since at least Darwin time, biologists have been trying to understand and define the mechanisms for speciation.
至少从达尔文时代开始，生物学家就一直在试图理解和定义物种形成的机制。
Charles Darwin, the first to describe the role of natural selection in speciation, wrote about the mechanisms of speciation.
查尔斯·达尔文是第一个描述自然选择在物种形成中的作用的人，他描写了物种形成的机制。
Allopatric speciation can also be brought by the imperceptibly slow but colossal movements of the tectonic plates that make up Earth's surface.
构成地球表面的那些构造板块极其缓慢但剧烈的运动，也可能导致异地物种形成。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
Some researchers have argued that speciation rates, both terrestrial and marine, could be much higher in the tropics, making them a "cradle" of biodiversity.
一些专家认为，在热带地区的陆地和海域，物种形成的机率更高，这样就使热带地区成为了生物多样性的摇篮。
Reinforcement is required for both parapatric and sympatric speciation.
对于领域性的和同域性的物种形成，强化是必需的。
Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.
利用原子吸收分光光度法对中药川芎中锌、锰、铁、钙、镁五种元素的形态进行了研究。
Inorganic iodine speciation in tropical Atlantic aerosol.
热带大西洋气溶胶里无机碘物种形成。
In sympatric speciation, species diverge while inhabiting the same place.
在同域物种形成中，居住在同一个地方的物种分歧化。
Speciation of the REE in soils of different elements landscape is various.
稀土元素在各单元景观土壤中的赋存形态特征也不同。
This paper presents an artificial neural network for the speciation of Chromium.
提出了用神经网络方法测定无机铬的形态。
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。
Speciation may also be induced artificially, through animal husbandry or laboratory experiments.
物种形成也可以通过动物饲养或实验室人工诱导。
Objective:To develop some methods for arsenic speciation analysis which are suitable for sea animals and seaweeds.
目的：针对动物类海产品、藻类样品，建立相应的砷形态分析方法。
The prospect and problems of speciation analysis of trace element in Traditional Chinese Medicine were also discussed.
探讨了中药中微量元素形态分析方法的前景及存在的问题。
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。
Copper speciation in water and copper adsorption quantity on fish gill surface were calculated by a Biotic Ligand Model.
用生物配位模型计算了铜在水相的形态分布和在鱼鳃表面的吸附量。
Microevolution looks at changes within species overtime — changes that may be preludes to speciation, the origin of newspecies.
物种的微观进化随时都在发生——变化可能导致物种形成，这就是新物种的起源。
Researchers say the phenomenon provides evidence that differences in sensory perception — not just geography — can spark speciation.
研究人员说，这种现象提供证据证明在感官的感觉上的差异——不仅仅是地理位置——可能导致物种形成。
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。
Meanwhile, this research also tested the mercury speciation emission from a 600mw utility boiler with Standard Ontario-Hydro Method.
此外，本文还采用安达略水法对某600MW燃煤锅炉的形态汞排放进行测定及研究。
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。
The study on elemental speciation in airborne particulate matter (PM) is important for its evaluation of toxicity and source of pollution.
大气颗粒物中元素的种态研究，对评价其毒性和污染来源等有很重要的意义。
Effects of acidity on copper speciation in soil solution and relations of copper forms with ryegrass growth and copper uptake were studied.
研究了酸度对土壤溶液中铜形态的影响以及不同形态铜与黑麦草吸收及其生长的关系。
Effects of acidity on copper speciation in soil solution and relations of copper forms with ryegrass growth and copper uptake were studied.
研究了酸度对土壤溶液中铜形态的影响以及不同形态铜与黑麦草吸收及其生长的关系。
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