Malaria is caused by a one-celled parasite called a Plasmodium.
疟疾是由称为疟原虫的一种单细胞寄生虫造成的。
The one-celled embryos, created at the University of Newcastle, were destroyed within days, as required by law.
在英国纽卡斯尔大学培育出来的这些单细胞胚胎，在数天内就被依法销毁。
There was thought to be one exception, however, in the form of Giardia, a single-celled parasite with a nasty effect on people.
曾经一度认为有一个例外，是一种叫Giardia的单细胞寄生生物，常引起人体患鞭毛虫病。
There are five kingdoms: animals, plants, fungi, chromists—including one-celled plants such as diatoms—and protozoa, or one-celled organisms.
归有五个界：动物界、植物界、真菌界、茸鞭生物界——包括单细胞植物，如硅藻——和原生动物界，或单细胞生物体。
The one-celled animals react to food by moving toward it and react to danger by moving away.
单细胞动物对食物的反应是向食物移动，离开是对危险的反应。
For example, one-celled animals always live in water, which helps the cell hold its shape.
比如，单细胞动物总是生活在水中，因为水有助于保持它的形态。
In short, all living things are developments from these one-celled organisms. They have developed step by step through change upon change from these first, simple, living things.
简而言之，所有的生物都是这些单细胞生物体的后代，它们是从这些最早的、简单的生物体经过逐步演变进化而来的。
By showing algae's essential role in the evolution of photosynthesis, it also explores the innumerable species of plants which all have their origins in this one-celled life form.
从展示有关藻类生物的在光学作用进化过程中的必要角色，本纪录片同时显示所有庞大植物品种皆是源自这个单细胞形式生物。
Any of a group of one-celled, microscopic green algae characterized by great variation in cell shape.
绿藻门双星藻目一类美丽的单细胞微小绿色藻类，形状差异很大。
Ultraviolet radiation may also damage marine life by killing one- celled plants called phytoplankton, which form the base of the ocean's food chain.
紫外线辐射还可以通过杀死单细胞的浮游植物来破坏海洋生命，这种浮游植物是构成海洋食物链的基础。
Protozoan Diseases, Protozoa are one-celled animals found in great numbers almost everywhere in nature.
原虫疾病。原虫是大自然中各处都能大量发现的单细胞动物。
Protozoan Diseases, Protozoa are one-celled animals found in great numbers almost everywhere in nature.
原虫疾病。原虫是大自然中各处都能大量发现的单细胞动物。
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