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- And when Mayr came up with his biological species concept, it seemed to exclude many microbes. 麥爾提出生物種觀(guān)念時(shí)，似乎就把許多微生物排除在外。
- The biological species concept and the recognition species concept both define species in terms of interbreeding. 高基因流使種群遺傳上彼此相似。
- By the standards of the biological species concept, the rotifers went from being a species to being not a species, whatever that means. 根據生物種觀(guān)念的標準，蛭形輪蟲(chóng)可以是一個(gè)物種，也可以不是一個(gè)物種，不管物種的定義究竟是什麼。
- Fractionation is unique highland biological species of wild land, as well as the Qinghai " Treble " One. 發(fā)菜是高原特有的野生陸地藻類(lèi)生物，也是青海的"三寶"之一。
- The number of biological species of the whole glob e is decreasing rapidly; this has also occurred in West China. 全球的生物物種在急劇減少，而此情景也呈現于我國的西部地區。
- The State shall strictly control the exit from the territory of precious biological species resources. 國家嚴格控制珍貴的生物種質(zhì)資源出境。
- Abstract: The number of biological species of the whole glob e is decreasing rapidly; this has also occurred in West China. 文摘:全球的生物物種在急劇減少，而此情景也呈現于我國的西部地區。
- The reproductive species concept focuses on the idea that species exist and maintain their genetic integrity and distinctness because they do not interbreed. 基因流描述的是基因在種群內通過(guò)相互雜交、擴散和遷移進(jìn)行的運動(dòng)。
- Abstract： The number of biological species of the whole glob e is decreasing rapidly;this has also occurred in West China. 摘 要： 全球的生物物種在急劇減少，而此情景也呈現于我國的西部地區。
- These, according to the phylogenetic species concept, are species.In a sense, this concept takes Linnaeus's original system and updates it in light of evolution. 就某種程度而言，親緣種的觀(guān)念采用了林奈的系統并注入演化學(xué)的觀(guān)念，成為新的物種觀(guān)念。
- As a powerful technique, the isozyme analysis plays an important role in study of genetic evolution and differentiation of biological species. 同功酶分析作為一種有效的研究手段在研究物種的遺傳進(jìn)化中顯示了極為重要的作用。
- This has been particularly useful for the phylogeny of microorganisms, to which the species concept does not apply and which are too morphologically simple to be classified based on phenotypic traits. 這對微生物的系統發(fā)生史特別有用，因為物種概念在微生物中并不適用，微生物的形態(tài)過(guò)于簡(jiǎn)單以致于不能依表型性狀進(jìn)行分類(lèi)。
- Electrospray ionization mass spectrometry (ESI-MS) has become an important analytical technique for the detection and study of weakly bound, non-covalent interactions between biological species. 摘要電噴霧質(zhì)譜(ESI-MS)已經(jīng)成為檢測和研究生物分子弱相互作用，即非共價(jià)鍵作用的一個(gè)重要分析手段。
- The main research included the composition of the algae phytoplankton, biological species, biomass, biological indicator, uniformity index, diversity index and physical-chemical monitor, et al. 研究?jì)热荩焊∮卧孱?lèi)的組成、生物種類(lèi)、生物數量、指示生物、均勻度指數、多樣性指數及理化對照監測等。
- If each ploidal level (cytotype) is viewed as a cryptic biological species, then the contribution of polyploidy to biological species diversity is even higher than previously surmised. 如果每個(gè)倍性水平（細胞型）被視為神秘的生物物種，那么多倍體對生物物種多樣性的貢獻甚至是高于原先推測的。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋狀。
- the evolution of a biological species. 一種生物物種的進(jìn)化過(guò)程。
- invasion of external biological species 生物入侵
- The school has a large biological laboratory. 這所學(xué)校有一個(gè)很大的生物實(shí)驗室。
- Do wolves belong to the canine species? 狼是犬科動(dòng)物嗎？
