昼行性：一般指大型猫科类，蜥蜴、蛇（冷血类）等动物的生活习性。 昼行性动物： 这类动物每天的活动具有周期性，即夜晚休息，白天进行摄食、生殖等活动。
绿刺蜥和其它大多数物种一样，是昼行性(在白天活动)冷血动物，因此，它们不能调整自身体温。
Sceloporus lizards, like most others, are diurnal - active during the day - and cold-blooded, so they can't regulate their body temperature.
有一群动物（包括了人类与其他现存旧世界的灵长类祖先）变成了昼行性动物，散布到森林里头，并将果实纳为重要的食物。
One group—among which were the progenitors of humans and the other Old World primates living today—took up a diurnal life, spread out into the trees, and made fruit an important part of their diet.
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