某些生物没有头，比如异怪和泥形生物。
Some creatures, such as many aberrations and all oozes, have no heads.
这些生物没有线粒体。
但是不像普通的电波，核辐射不是对人类和其它生物没有伤害。
But unlike common radio waves, nuclear radiation is not harmless to human beings and other living things.
自然中的海洋生物没有类似的难题，因为它们有专门的器官来检测周围的环境。
Natural sea creatures do not experience such problems because they have special organs that enable them to sense their environment.
生物没有动机的很容易滑进不易察觉的极度欢喜中，这有可能导致短暂的生命。
Creatures that lack motivation, that find it easy to slip into oblivious rapture, are likely to lead short (if happy) lives.
对水生生物没有直接的作用，主要是通过改变水生生物的生存环境而产生作用。
Compound bacterium will not directly affect aquatic biology but improve the survival environment of aquatic biology.
但是，如果在其之前序列的正在阻挡的生物没有被分配到致命伤害，则不能对其分配伤害。
However, it can't assign combat damage to a creature that's blocking it unless each creature that precedes that blocking creature in its order is assigned lethal damage.
许多科学家担心的是，跟过去发生的事件相比，目前的酸化事件进展迅速，海洋生物没有时间适应。
The concern of many scientists today is that the current episode of acidification is taking place more rapidly than anything that has transpired in the past, leaving oceanic species no time to adapt.
到目前为止，试验证明这种病毒对其它包括人类在内的有机生物没有危害，但还需要对此进行更多的检测。
So far, the tests have indicated that the virus is not harmful to other organisms, including humans, but more testing is needed.
天然迷你盆景：100%天然植物，天然环保，对人及其他生物没有有任何伤害，永久不会改变形状和颜色。
Natural Mini Bonsai: 100% natural vegetation, natural environment, human and other organisms do not have any injury, Permanent does not change the shape and color.
一个明显的差异是：古老的微生物没有指南手册告知他们应该期待什么，以及如何应对即将到来的某些重大事情。
One noticeable difference: the ancient organisms did not have a guidebook to inform them of what to expect and how to deal with some of the magnificent things to come.
院子里雪地上，狐狸和水獭所留下的足迹犹新，这使我们想起：即使在冬夜最静寂的时候，自然界生物没有一个钟头不在活动，它们还在雪上留下痕迹。
The recent tracks of the fox or otter, in the yard, remind us that each hour of the night is crowded with events, and the 28 primeval nature is still working and making tracks in the snow.
人们对这些生物如此关注，你可能会想，它们没有灭绝至少应该心存感激。
With all that attention paid to them, you'd think these creatures would at least have the gratitude not to go extinct.
他推断，已知的一些单细胞生物进入类似冬眠的状态，在没有空气和食物的情况下存活数年。
He reasoned that some single-celled creatures are known to enter a hibernation-like state and survive for years with no air or food.
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.
机器人革命注定使人类直面一种长久以来的恐惧——与我们一样聪明能干但没有道德规范的人造生物。
The robotics revolution is set to bring humans face to face with an old fear—man-made creations as smart and capable as we are but without a moral compass.
时差是因为生物钟没有立即适应时间的改变而引起的。
Jet lag is caused because the body clock does not readjust immediately to the time change.
今天，科学家们的主流观点是，种族是一种没有生物学意义的社会结构。
Today, the mainstream belief among scientists is that race is a social construct without biological meaning.
每一种死亡都是悲剧——不管死因是什么——但是我们并没有比与我们共存于地球上的其它生物更大的权利来利用地球上的一切。
Every death is a tragedy—regardless of the cause—but we have no greater claim to use this earth than any of the other creatures that we share it with.
如果没有外界提示信号，这种差异就会积累，生物的日常内部调节活动就继续进行，像与太阳日有关的潮汐活动那样。
Without the external cue, the difference accumulates and so the internally regulated activities of the biological day drift continuously, like the tides, in relation to the solar day.
20世纪早期的生物学家也得出了类似的结论，不过他们从概率的角度对其进行了限定，称没有理由可以说明进化不能倒退。
Early 20th-century biologists came to a similar conclusion, though they qualified it in terms of probability, stating that there is no reason why evolution cannot run backwards.
斯坦福大学的一位生物学家告诉我，如果不以整个蚁群为出发点，单只蚂蚁做的任何事情都是没有意义的。
A biologist at Stanford University showed me that nothing an ant does makes any sense except in terms of the whole colony.
在没有外部提示的情况下，生物体中生物节律依然能够延续，这能证明它体内有一个时钟。
The continuation of biological rhythms in an organism without external cues attests to its having an internal clock.
在火星和我们太阳系的其他行星上没有氧气，这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
昆虫、鸟类和鱼类往往是人类感到最没有亲切感的生物。
Insects, birds arid fish tend to be the creatures that humans feel furthest from.
透明生物的体内没有色素，因此它的细胞组织不吸收光线。
A transparent animal doesn't have pigments, so its tissues won't absorb light.
我们曾经认为昆虫是最小的生物，还认为没有什么东西生活在六百米以上的深处地区。
We used to think that insects were the smallest organisms, and that nothing lived deeper than six hundred meters.
英格汉姆说，环保署官员曾告诉她，这种微生物已获准进行实地试验，但她说，她没有掌握多少细节。
Ingham says EPA officials had told her that the organism was approved for field tests, but says she has few details.
然而，尽管当地铁浓度立即提高，在一个这样的区域实验释放铁化合物却没有产生大量的浮游生物。
However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.
你有没有听过有一种树木，它们是陆地动物和海洋生物的家园？
Have you ever heard of the trees that are homes over animals both on land and sea?
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