For the retail car owner, it's likely to be an evolutionary change.
对于零售车主，很可能是一个渐进的变化。
But many rejected natural selection, preferring other kinds of mechanisms to drive evolutionary change.
但是，许多人拒绝自然选择理论，他们更喜欢驱使生物演化式变化的其他各种机制。
Work done a couple of years ago by Mark Pagel of Reading University, in England, suggests that about a fifth of evolutionary change happens jerkily at around the time new species form.
英格兰雷丁大学的MarkPagel数年之前的研究表明在新物种形成时大约1/5的进化上的改变是“不平稳的”。
Since an individual's social environment affects its success in terms of survival and reproduction, you might expect such changes to influence the speed or direction of evolutionary change.
既然，个体的社会环境会影响到它的生存和繁殖能力，那么进化的速度或方向会受到这些变化的影响也许就在会预料之中了。
Even well-educated people are often fuzzy regarding the mechanics that drive evolutionary change.
甚至是受过良好教育的人对驱动进化的机制也经常迷惑。
Sometimes it's easy to understand how an evolutionary change took place, but it's more difficult to understand why.
有时候理解进化怎么产生很容易，但是要知道为什么就很难了。
The evolutionary change in the AEC field from managing files to the managing of information objects has only begun to take place.
AEC领域从文件管理到管理信息对象的演化才刚刚开始 。
We found that for every viral strategy of attack, the bacteria would adapt to defend itself, which triggered an endless cycle of co-evolutionary change.
我们发现细菌能对病毒每一种进攻策略产生适应机制以保护自己，而这又触发了病毒下一次的进化，形成无止境的循环。
The genes that show this evolutionary change include some responsible for the senses of taste and smell, digestion, bone structure, skin color and brain function.
表明由进化带来变化的基因包括若干负责味觉和嗅觉、消化、骨结构、肤色和大脑功能的基因。
The formal definition of coevolution runs something like this: "Coevolution is reciprocal evolutionary change in interacting species," says John Thompson in Interaction and Coevolution.
约翰•汤普森（4）在《互相影响和共同进化》一书中对“共同进化”做了一个正式定义：“共同进化是互相影响的物种间交互的进化演变。”
The formal definition of coevolution runs something like this: "Coevolution is reciprocal evolutionary change in interacting species," says John Thompson in Interaction and Coevolution.
约翰•汤普森（4）在《互相影响和共同进化》一书中对“共同进化”做了一个正式定义：“共同进化是互相影响的物种间交互的进化演变。”
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