In response to certain stimuli, many animals show instinctive aggressive reactions.

对于某些刺激，许多动物表现出本能的攻击反应。

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This depends not on the stimuli but on the combination of stimulus and response.

它并不取决于刺激源，而是取决于刺激源和回应的组合。

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The thought was that since many plant poisons are bitter, the bitter stimuli would engender a fight or flight response.

有一种想法是这样的，既然许多植物毒素都是辣的，辣味刺激会引发争斗或逃跑反应。

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These stimuli, explains Givon, will intrinsically elicit some sort of biometric response -- whether the passenger knows it or not -- that can be picked up by WeCU's strategically placed sensors.

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Recently, it has been shown that germ-cells, too, are subject to epigenetic change, sometimes in response to environmental stimuli.

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