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.
我就任高校的动物学课程所吸引的学生，就是因为参观动物园这一段至关重要的成长经历，才选择修读生物科学专业。
The zoology program at my university attracts students for whom zoo visits were the crucial formative experience that led them to major in biological sciences.
为什么那位演讲者要选择这种两栖动物作为公众生物的代表呢？
Why does the speaker choose that amphibian as her representative of a public creature?
实现生物多样性和陆地食物供应目标的一种选择是用更少的土地生产更高的产量，从而腾出土地用于保护目的。
One option for moving toward both biodiversity and terrestrial food supply goals is to produce greater yields from less land, thereby freeing land for conservation purposes.
通过主动选择栖息地，生物体能够在生理意义上选择生存和繁殖的地方。
With active habitat selection, an organism is able to physically select where to live and breed.
我们的心理地形决定了什么信息能留在我们大脑里同时什么需要剔除，这个学说和一个已经被广为接受的生物理论很近似：达尔文的自然选择理论。
The idea that our mental terrain decides what information survives in our heads and what gets killed off finds a parallel with a venerable biological theory: Darwin's theory of natural selection.
这种喜好影响到了对两个产品，两个求职者，甚至是两个外星生物的选择。
The preference informs the choice of a pair of products, two job applicants, even a couple of alien creatures.
他们会被竞争所淘汰；如同生物进化中的自然选择。
They will be selected out by competition; the analogy is to natural selection in biological evolution.
但这个两岁的头足类生物最终返回了它的第一选择。
But the two-year-old cephalopod eventually returned to his first choice.
正是由于这些缺点，人们不得不选择其它效率较低的方法如生物电池或电等来产生氢。
This explains why there's a lot of effort going into things like biofuels and using electricity to produce hydrogen.
选择好地点需要知道生物如何利用空间并权衡利弊。
Selecting good bits requires understanding how critters use space and weighing competing claims for it.
有种可能会拢来大批次的选择，就是应对寄生生物的争斗，那种可能成立的话，选择冲突理论就和红皇后假设完美搭配起来了。
One possibility that certainly ropes in lots of selection is the battle against parasites, so selective interference embraces the Red Queen hypothesis rather pleasingly.
既然那些已经不能生育的人在进化论的意义上说，已经死亡了。自然选择通常不会设计出结束生育后仍然存活的生物。
Since those who cannot breed are, evolutionarily speaking, dead already, natural selection does not usually design bodies that outlive their own fertility.
但是如果你看到生物科技在农业中的革新作物的选择和其他。
But then if you look at that you have to think of the biotech revolution in agriculture, the switching of crops and so forth.
有机食品业还担心人们对这种污染的恐惧会严重影响有机产品的销售，特别在欧洲国家，消费者对生物技术食品的选择慎之又慎。
The industry also is concerned fears of contamination could hurt its sales, especially in Europe, where consumers have been extremely hesitant about biotech foods.
在把有机食品贬得一文不值的时候，是否有什么与身体健康息息相关的正当理由值得我们来建立一个标准并选择生物动力食品呢？
Given that organic food has been rubbished of late, is there any reasonable health imperative to step up a level and choose biodynamic?
Cocconi和Morrison猜测外星人会选择对于拥有数学和化学知识的生物有意义的频率。
Cocconi and Morrison guessed that the aliens would choose a frequency that would mean something to creatures who know math and chemistry.
要确认一个基因的确正在被选择，生物学家需要进行其他测试，例如比较被选的和没被选的基因形式来看它们有什么差异。
To verify that a gene has indeed been under selection, biologists need to perform other tests, like comparing the selected and unselected forms of the gene to see how they differ.
任何经实验室修改过的生物，不大可能在外界同经过自然选择的考验而生存下来的生物相竞争。
Any organism modified in a laboratory is unlikely to make it in the outside world in competition with creatures toughened up by natural selection.
有些进化生物学家认为自然选择也会偏爱群体，而不仅仅是个人，但是这个观点很有争议。
Some evolutionary biologists believe that natural selection can favor groups of people, not just individuals, but the idea is hotly disputed.
但由于我们是伴随着生物系统长大的，而且别无选择，所以我们总是不加考虑地接受它们的成本。
But because we have grown up with biological systems and have had no alternatives, we have always accepted their costs without evaluation.
于敏说，我舅舅当初曾劝我学机械工程或自动化方面的专业，但我根据自己对高中生物课的兴趣选择了生物技术专业。
'my uncle once urged me to choose mechanical engineering or auto engineering as my major,' Yu said. 'I chose biotechnology out of my interest in biology class in high school.
“我们应该更仔细地去考虑可能对粮价和环境问题造成的影响，并且确保我们能对我们所支持的东西(生物能源)拥有更多的选择方案，”他说。
"We need to look more closely at the impact on food prices and the environment of different production methods and to ensure we are more selective in our support (for biofuels)," he said.
迦德•萨阿德所著的《消费的本能》也加入了争论，这本书透过生物学和自然选择的透镜来看待人类行为。
Joining the fray is "the Consuming Instinct" by Gad Saad, which considers human behaviour through a lens of biology and natural selection.
与其说生物受选择驱动，倒不如主张，复杂性最初就出现在选择薄弱或缺乏选择的时候。
Rather than being driven by selection, they propose that complexity initially arises when selection is weak or absent.
EDAR基因的案例显示了生物学见们在解读基因组扫描的选择信号时必须多么小心。
The case of the EDAR gene shows how cautious biologists have to be in interpreting the signals of selection seen in the genome scans.
EDAR基因的案例显示了生物学见们在解读基因组扫描的选择信号时必须多么小心。
The case of the EDAR gene shows how cautious biologists have to be in interpreting the signals of selection seen in the genome scans.
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