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亚博app下载官网:In the southern United States, snakes can be vibrant and bright. In the North, they tend to be dark and drab. A dark coat may seem a bit depressing. It may, however, help northern snakes soak up heat from the sun more quickly than their southern kin, a teen finds. And a quick solar heating could prove an advantage in colder climes.在美国南部,那里的蛇需要收到响声,而且很颜色艳丽。在北方,这些蛇会偏向于变为黑色或者浅褐色。

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黑色的蛇皮或不会看上去有点了无生气。但是,一名青少年找到,与南方的同类蛇比起,黑色皮肤能协助北方的蛇更慢地吸取太阳的温度。在更为严寒的气候下,较慢吸取太阳的热量,对蛇较为不利。

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Gianna Fantell, 15, presented the results of her serpentine research, here, at the Intel International Science and Engineering Fair.15岁的吉安娜·范泰尔,在英特尔国际科学与工程博览会上,展出了自己对蛇纹石的研究结果。Snake fan Gianna Fantell showed that more northerly snakes tend to be darker than those in the South. Darker colors might help snakes soak up the sun’s warmth.吉安娜·范泰尔对蛇十分感兴趣,她找到蛇所处的地点越是往北,它们的颜色比南方的蛇就更深。加深的颜色也许可以协助蛇更佳地提供太阳的温度。

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The freshman at Colonia High School in New Jersey has loved snakes for most of her life. “I remember I was trick-or-treating, and this woman came out [of her house] with an albino corn snake,” she recalls. Gianna instantly became fascinated with the creatures.新泽西州科洛尼亚高中的一名新生在生活中爱好蛇。她回忆说“我忘记有一次我在万圣节调皮,一位女士就拿着一条白色的玉米蛇走进了房间。”吉安娜立马对这一生物产生了浓烈的兴趣。

When it came time to design a research project for school, snakes were a natural focus. Flipping through a field guide, she noticed a pattern. “Farther north, the pigmentation of snakes is darker.”当学校必须我设计一个研究项目的时候,蛇大自然出了我研究的重点。通过研究一份野外工作指南,她找到一个规律。“越是往北,蛇的颜色更深。

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