然而直到最近人们对后生动物的这些机制几乎仍一无所知。
But until recently, we knew nothing about these mechanisms in metazoans.
对比论述了后生动物的演化和环境因素在叠层石的形成与衰减的过程中谁占主导作用。
At last, this paper discusses what is the dominant function in the formation and decline of stromatolites beween the evolution of metazoans and changing environments.
同时，宏体藻类作为生态系统中的初级生产者成为一种新的食物，改变了后生动物的食谱。
In addition, the macroalgae served as a primary producer in the paleoecosystem to provide an alternative food for the metazoarl.
而腔肠动物的出现标志着真后生动物的开始，在生物起源演化历程上占据着极其关键的位置。
Therefore, it has the prominent position in the origin and evolutionary history of organisms. Perhaps the star-like organism represents the early types of coelenterate with original tentacles.
另一位海洋居民—圆蛤被认为是世界上最长寿的后生动物。
Another oceanic resident, the quahog clam (Arctica islandica), is thought to be one of the longest lived metazoans of all.
因素决定的寿命后生动物。
线虫作为土壤中数量最丰富的后生动物，其生活史和取食类型多样，在生态系统中发挥着重要作用。
Soil nematodes are the most abundant metazoan, which have various types of life-history and feeding habits, and play a key role in soil food web.
线虫作为土壤中数量最丰富的后生动物，其生活史和取食类型多样，在生态系统中发挥著重要作用。
Soil nematodes are the most abundant metazoan, which have various types of life - history and feeding habits, and play a key role in soil food web.
线虫作为土壤中数量最丰富的后生动物，其生活史和取食类型多样，在生态系统中发挥着重要作用。
Soil nema todes are the most abundant metazoan which have various types of life-history and feeding habits and play a key role in soil food web.
在后生动物有机体的细胞程序性死亡(PCD)中可以普遍观察到自噬现象。但它在垂死细胞的功能作用还不清楚。
Autophagy is commonly observed in metazoan organisms during programmed cell death (PCD), but its function in dying cells has been unclear.
越来越多的证据表明，后生动物大脑在感应饮食限制和促进寿命延长中起关键作用。
More evidences indicate that the brain has a principle role in sensing dietary restriction and extending lifespan in metazoans.
研究了一种后生动物—颤蚓对丝状细菌引起的活性污泥膨胀的控制效果。
The tubificidae, one type of metazoa was chosen to control activated sludge bulking which was caused by filamentous bacteria.
G -BAF的载体表面附着有大量的细菌以及多种形态的原、后生动物，增强了对氮、磷及难降解有机物的去除能力。
There are lots of bacteria, protozoan and metazoan species immobilized on the carrier surface in G-BAF, which can enhance the removal effect of nitrogen, phosphorus and refractory organic compounds.
现阶段国内外利用微型动物进行污泥减量的研究主要集中在寡毛类蠕虫如仙女虫、红斑顠体虫、颤 蚓等体型较大的后生动物。
Domestic sludge reduction research using micro-stage animals are mainly focused on oligochaetes worms, such as Naididae, Aeolosma hemprichii, Tubificidae and other large size metazoanes.
结果表明：PFU中的原生动物主要是纤毛虫，微型后生动物主要是轮虫和水蚤。
The results show that there are protozoa(main infusorian)and mini-metazoa(rotifer and daphnia)communities in PFU.
对于地球后生动物早期演化的研究具有划时代的意义。
Owing to its distinct attribute property and old age, this discovery may have epoch—making significance on the study of the evolution of early Metazoa.
视觉的遗传起源仍然不清楚，这部分是由于对最早拥有视蛋白的后生动物之间的系统发生学关系的报告的不一致。
There is no agreement on the relationships of the neuralian opsin subfamilies, and clarifying their phylogeny is key to elucidating the origin of this protein family and of vision.
视觉的遗传起源仍然不清楚，这部分是由于对最早拥有视蛋白的后生动物之间的系统发生学关系的报告的不一致。
There is no agreement on the relationships of the neuralian opsin subfamilies, and clarifying their phylogeny is key to elucidating the origin of this protein family and of vision.
应用推荐