用氯片、碘片、或液体漂白剂处理食水不会杀死很多寄生的生物。
Treating water with chlorine tablets, iodine tablets, or liquid bleach will not kill many parasitic organisms.
寄生的抗病性的病原菌的毒力在杂交中是势均力敌的。
Host resistance and fungal virulence parallel each other in the cross.
也许这样便于知更鸟识破其巢寄生的鸟类将自己蛋放进知更鸟巢吧！
Perhaps this enables robins to spot when a parasitic bird tries to add its own eggs to the nest.
该病是由一些淡水蜗牛中寄生的血吸虫属寄生虫引起的。
The disease is caused by parasitic worms called schistosoma that grow in some freshwater snails.
每一次亲吻都要摘除一颗槲寄生的浆果，直到摘完为止。
Each kiss required a berry to be plucked until none remained.
人们在苹果树、菩提树、枫树、白杨木上都可以找到槲寄生的影子。
It can be found on apple trees, lindens, maples and poplars.
在只是动物王国的一个简单的寄生的例子罢了，这个从另一个方面证明了不用竞争也可以生存。
This is just one striking instance of the immensity of pain in the animal kingdom, which defies explanation except via the unyielding calculus of competitive survival.
终上所述，科学家如何解释知更鸟蛋是耀眼的纯蓝色呢？也许这样便于知更鸟识破其巢寄生的鸟类将自己蛋放进知更鸟巢吧！
Given all this, how do scientists explain the fact that robin's eggs are an eye-catching, unmarked blue?
这一发现意味着virophages(噬病毒体)会通过他们寄生的病毒交换基因，类似于噬菌体通过他们寄生的细菌交换基因。
That discovery implies that virophages may transfer genes between the viruses they infect similar to the way bacteriophages transfer genes between bacteria.
这些症状也许是由病毒感染引起的，而与寄生虫无关。
These symptoms may be referable to virus infection rather than parasites.
在脊椎动物中，免疫系统提供了对体内寄生虫的多重防御。
In vertebrates, the immune system provides a multiple defense against internal parasites.
寄生是一种捕食者与被捕食者之间的关系，寄生者利用共生伙伴——宿主来获取食物。
Parasitism is a kind of predator-prey relationship in which one organism, the parasite, derives its food at the expense of its symbiotic associate, the host.
血吸虫病的诊断方法是，检测粪便或尿液标本中寄生虫卵。
Schistosomiasis is diagnosed through the detection of parasite eggs in stool or urine specimens.
在1950年，粘液瘤病毒，一种影响兔子的寄生虫，被故意引入澳大利亚来控制兔子的数量。
In 1950, myxoma virus, a parasite that affects rabbits, was deliberately introduced into Australia to control the rabbit population.
20世纪60年代末期，当斯里兰卡繁荣的椰子果园被潜叶昆虫侵扰时，一种从新加坡引进的寄生幼虫将这种害虫控制住了。
In the late 1960s, when Sri Lanka's flourishing coconut groves were plagued by leaf-mining hispides, a larval parasite imported from Singapore brought the pest under control.
那些更容易感染疾病和寄生虫的男性将不得不使用他们的类胡萝卜素来增强他们的免疫系统。
Males that are more susceptible to disease and parasites will have to use their carotenoids to boost their immune systems.
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.
袋鼠身上有各种各样的寄生虫。
全球变暖将会意味着热带寄生虫病的传播吗？
Will global warming mean the spread of tropical parasitic diseases?
CIBC还在完善培育寄生虫的技术，这些寄生虫以“disapene scale”昆虫为食。
CIBC is also perfecting the technique for breeding parasites that prey on "disapene scale" insects.
寄生虫通常比它们的宿主小。
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。
Natural selection favors the parasites that are best able to find and feed on hosts.
有时，在宿主-寄生虫关系中观察自然选择的影响实际上是可能的。
At times, it is actually possible to watch the effects of natural selection in host-parasite relationships.
如果他们发现一棵树上有槲寄生，部落会停止一段时间的战斗。
Tribes would stop fighting for a period of time if they found a tree with mistletoe.
与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。
Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.
与博弈论直接相关的是某些具有大量过剩雌性的寄生蜂种类的性别比例。
Immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females.
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