同时，寄主的防御能力也被挑选。
At the same time, defensive abilities of hosts are also selected for.
寄生物种可能和寄主不同步。
上述捕虏体均与寄主玄武岩无成因关系。
No original relation was found between the xenoliths and the host basalt.
信息化合物对天敌选择寄主行为的影响。
The influences of semiochemicals on host selection behavior of natural enemies.
火烧直接影响森林昆虫的寄主和生存条件。
Fire can affect the host and life condition of forest pests directly.
温度与寄主植物是影响其发生的主要因素。
Temperature and host plant were the main occurrence factors.
性孢子器近圆瓶状，几乎全部突出寄主组织。
病毒在离开寄主（身体）之后很快就失活了。
The virus quickly becomes inactive when it is outside of its host (the body).
必须在人工浸染的寄主中，再次发现这种有机体。
The organism must be found again in the artificially infected host .
寄主植物种类。
如果这种演变使得病毒毒性大增，寄主体质就会进一步遭到削弱。
If that evolution makes the virus more virulent, so much the worse for the host.
昆虫免疫是寄主昆虫抵御寄生物侵袭的一种防卫机制。
Insect immunity is a defense mechanisms against attack by parasitoids.
在一定距离以外，蚜虫通常不能或难以识别其寄主植物。
In general an aphid cannot or hardly identify its host at a distance.
当林间目标寄主缺乏时，其它寄主可将食物链维系下去。
Other host insects could maintain the food chain when the target insect population was low.
生物因子诱导的植物抗病性是增强寄主抗病性的重要方法。
Resistance induced by biological factors is very important to a host plant.
这种对寄主——病原体相互作用的理解可能成为i进行干预治疗的基础。
This understanding could then be a foundation for intervention.
还有一些，尤其是那些生活在肠道内的寄生虫和病原体，会阻止它们的寄主吸收食物。
Some, particularly those that live in the gut, stop their host absorbing food.
还有一些，尤其是那些生活在肠道内的寄生虫和病原体，会阻止它们的寄主吸收食物。
Some, particularly those that live in the gut, stop their host absorbing food.
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