地球上的每个生物都应被视为自然界平等的一员，并受到保护。
Every creature on the earth should be treated as an equal member of the nature and be protected.
为了把这里的问题看得更清楚，让我们看一种不同的生物系统，比如说，橡实。
To see the problem here more clearly, let's look at a different biological system, say, an acorn.
我们在生物课上解剖了一只青蛙。
寄生物传播的方式之一就是透过排泄物。
One of the ways the parasite spreads is through faecal matter.
该地区有世界上野生生物最集中的区域之一。
The area has one of the world's greatest concentrations of wildlife.
从沉降池流出的废水被加入消毒剂以杀死一切有害生物。
Effluent from the sedimentation tank is dosed with disinfectant to kill any harmful organisms.
人们期望一匹马能表现得像一辆车那样，却没考虑到它作为一个活的生物的感受。
People expect a horse to perform like a car, with no thought for its feelings as a living being.
社会生物学是生物学方法的一个分支；据社会生物学理论表明，攻击性是与生俱来的，甚至是人类所希望得到的。
An offshoot of the biological approach called sociobiology suggests that aggression is natural and even desirable for people.
尝试进行生物防治的法律后果是一个潜在的雷区。
Legal consequences of attempts at biological control present a potential minefield.
我想要主修生物学，因为我一直在思考生命的起源。
I want to major in biology because I have long wondered about the origin of life.
一项DNA检测将付贵的生物信息与他的父母进行了比对。
A DNA test was carried out to compare Fu Gui's biological information with his parents.
然而，分子生物学的最新发现为解决这一争论开辟了前景。
Recent discoveries in molecular biology, however, have opened up prospects for a resolution of the debate.
米罗诺夫博士是发展生物学家和组织工程师，是世界上少数的几位参与生物工程“培养”肉类的科学家之一。
A developmental biologist and tissue engineer, Dr. Mironov, is one of only a few scientists worldwide involved in bioengineering "cultured" meat.
环保署生物杀虫剂部门主管珍妮特·安德森发给该网络的一封电子邮件表示，“没有对这种生物进行审查和/或野外测试的记录。”
An e-mail to the network from Janet Anderson, director of the EPA's bio pesticides division, says "there is no record of a review and/or clearance to field test" the organism.
这些质粒在自然界中自然存在；它们是在微生物中发现的，它们也赋予了微生物一些生物学特性。
These plasmids occur naturally in nature; they were discovered in micro-organisms and they also confer some biological properties onto micro-organisms.
请介绍时间生物学并描述一些实际应用。
Please introduce chronobiology and describe some practical applications.
麦克科马克医生是一名英国的微生物研究人员。
下一步是生物识别认证，可以用指纹等进行加密。
Further down the road is biometric authentication, which could be encrypted with, say, a fingerprint.
这种植物是研究人员正在研究的另一种生物燃料。
They're another plant that researchers are investigating as a biofuel.
丁格尔是一位研究昆虫的进化生物学家。
当一个物种灭绝时，它会极大地改变生物多样性的状况。
When a species goes extinct, it dramatically changes the landscape of biodiversity.
因此，尽管具有体育优势，左撇子的存在给生物学家提出了一个问题。
Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists.
因此，尽管具有体育优势，左撇子的存在给生物学家提出了一个问题。
Sporting advantage notwithstanding, therefore, the existence of left-handedness poses a problem for biologists.
例如，几年前在巴基斯坦，他们发现了一个类似狼的生物的头骨。
For example, a few years back in Pakistan, they found the skull of a wolf-like creature.
这意味着某种生物钟正在运作——而且是一个非常精确的生物钟。
This meant that some sort of biological clock was operating—and a very precise clock at that.
基因是一段被复制或重组的生物信息，这种复制或重组会传递给下一代。
A gene is a piece of biological information that gets copied or replicated, and the copy or replica is passed on to the new generation.
他还解释了为什么他选择把他的一身致力于地球上最小的生物之一。
He also explains why he chose to devote his life to one of the smallest creatures on earth.
然而，对于一种生物种群而言是大灾难的事件，却有可能给另一种生物种群创造机会。
What is a catastrophe for one group of living things, however, may create opportunities for another group.
它表明所有的生物都是相关的，从甲虫到莲花，所有的生物都是由一个共同的祖先进化而来。
It suggested that all living things were related, from the beetle to the lotus, and that everything descended ultimately from a single common ancestor.
一些古生物学家认为这些胡须是简单的羽毛。
Some paleontologists argued that these whiskers were simple feathers.
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