浮游动物包含各种各样的小生物体，从单细胞原生动物到水母、磷虾和桡足类动物，为海洋食物链提供了基本的链接。
The zooplankton, which encompass a wide range of little organisms from single-cell protozoa to creatures such as jellyfish, krill and copepods, provide the basic link in the ocean food chain.
研究人员一度以为，只有单细胞生物，如原核生物和原生动物，才能在深海缺氧环境中生活。
Researchers had thought that only single-celled organisms such as prokaryotes and protozoa could live in the oxygen-deprived environments of the deepest ocean.
病毒已知感染动物，植物，真菌，原生动物，古菌和细菌。
Viruses are already known to infect animals, plants, fungi, protozoa, archaea, and bacteria.
涉及的寄生虫是一种原生动物，归类为锥虫属。
The parasites concerned are protozoa belonging to the Trypanosoma genus.
这种方法也得出了一些相当奇怪的结果：比如，动物物种是原生动物的物种的200多倍，生态学家都可能觉得难以置信。
The method produces some rather curious results, too: it predicts, for instance, that there are over 200 times as many animal species as protozoan ones, which may strike ecologists as rather odd.
只要水足够清澈不吸收光线，放到放电管下就会破坏水中能引起疾病的病毒、细菌和原生动物的DNA。
As long as the water is clear enough not to absorb the rays, exposing it to a discharge lamp will destroy the DNA of viruses, bacteria and protozoa that could otherwise cause illness when swallowed.
隐孢子虫病（crypto）和等孢球虫病都是由原生动物寄生虫引起的。
Cryptosporidiosis (crypto) and isosporiasis are both caused by protozoan parasites.
更值得商榷的是，Sophophora这一新的属类可能本身就属于原生动物而需要修正。
More problematic is that the new genus Sophophora may itself be paraphyletic and require revision.
这个定义不仅把原核生物、原生动物和真菌排除在外，而且它具体的包含了“渐进过程”这个词，它本不该属于这个定义。
Not only does this definition exclude prokaryotes, protozoa, and fungi, but it specifically includes a term "gradual process" which should not be part of the definition.
顶复门类的原生动物寄生虫包括造成一些最重要人类和动物疾病的病原体，特别是疟疾。
Protozoan parasites of the phylum Apicomplexa include some of the most important causative agents of human and animal diseases, in particular, malaria.
光合作用只发生在包含叶绿素的植物细胞，藻类，某些原生动物和细菌内。
Photosynthsis occurs only in the chlorophyll-containing cells of green plants, algae, and certain protists and bacteria.
某些原生动物或真菌中发生于或在单个细胞内细胞核的接合作用。
The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.
人们认为小原生动物是首先出现在地球上的动物。
The tiny protozoans are believed to be the first animals to have appeared on earth.
北极熊是世界最大的陆地食肉动物，是北极的原生动物。
The polar bear is the world's largest land carnivore, an animal native to the Arctic.
疟疾：由原生动物疟原虫属引起的复发性的严重原虫病，由按蚊属的多种蚊虫叮咬传染人。
Malaria: a serious relapsing infection caused by protozoa of the genus plasmodium (see plasmodium), transmitted by the Bite of the Anopheles mosquito.
现在我们把镜头推进到现代，把因特网之前的通讯系统设想为原生动物类。
Now zoom forward to our present time and think of our pre-Internet communications systems as sorts of protozoa.
这个门类的原生动物寄生虫中发现的细胞器，可能源于植物来源质体，刺激了对于化学除草剂性剂对顶复门类作用的研究。
The discovery that an organelle found inside parasites of this phylum probably stems from a plastid of plant origin has stimulated research on the effect of chemical herbicidal agents on Apicomplexa.
在此浓度，控制原生动物寄生虫是可以实现的。
At this concentration, control of protozoan parasites can be achieved.
这个浓度是安全的最鱼，并在此浓度，原生动物不能住这个水平的含盐量。
This concentration is safe for most fish, and at this concentration, protozoa cannot live with this level of salinity.
有四大类型的细菌：细菌，病毒，真菌和原生动物。
There are four major types of germs: bacteria, viruses, fungi, and protozoa .
纤毛虫是单细胞的原生动物，在进化上属于低等的真核生物，但其各细胞器之间囊泡运输系统极为完善。
Ciliate, a unicellular protozoa and low eukaryotes in evolution, has perfect vesicular trafficking system among organelles.
笔者还讨论了根际土壤原生动物分布动态变化的内在和外在原因。
The essentiality and influencing factors of protozoa distribution in rhizosphere soil were also discussed in this paper.
人们从疟蚊感染了疟疾，它们被感染的原生动物寄生虫称为疟原虫。
People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium.
人是各种致疾的细菌、原生动物以及病毒的宿主。
Man is host to a variety of pathogenic bacteria, protozoa, and viruses.
水中有病毒、细菌、原生动物、蠕虫等多种病原体。
The pathogen in the waters are viruses, bacteria, protozoa and helminths.
此外，系统还设置了资源共享和原生动物论坛，以适应用户上传数据库中未收录的原生动物信息和在网上交流原生动物信息的需要。
There are resource sharing and protozoa forum in the system, which are suitable for the users to upload protozoa information not included in the database and to intercommunicate it via Internet.
这些微小的细菌和原生动物可分解纤维素．成可吸收的营养。
These microscopic bacteria and protozoa break down cellulose and fiber into digestible nutrients.
这些微小的细菌和原生动物可分解纤维素．成可吸收的营养。
These microscopic bacteria and protozoa break down cellulose and fiber into digestible nutrients.
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