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【亚博APP】科学家:全球变暖将使人类变矮

发布时间:2021-04-05    来源:亚博APP链接36078

本文摘要:Global warming could make humans shorter, warn scientists who claim to have found evidence that it caused the worlds first horses to shrunk nearly 50 million years ago.科学家警告说道,全球气候变化可能会使人类变矮。

Global warming could make humans shorter, warn scientists who claim to have found evidence that it caused the worlds first horses to shrunk nearly 50 million years ago.科学家警告说道,全球气候变化可能会使人类变矮。科学家声称早已寻找证据:近5000万年前全球气候变化就曾让世界上最先的马个头变大。In fact, a team from the universities of Florida and Nebraska says it has found a link between the Earth heating up and the size of mammals horses, in this case, the last time the world heated up.事实上,来自佛罗里达州和内布拉斯加州的大学的一支研究团队称之为,他们早已寻找地球逆温暖哺乳动物个头之间的联系。

这一案例中马变矮的现象是上一次全球气候变化时再次发生的。The scientists used fossils to follow the evolution of horses from their earliest appearance 56 million years ago.科学家用化石来追溯到马从5600万年前问世至今的演化历程。As temperatures went up their size went down, and vice versa; at one point they were as small as a house cat, said Dr Jonathan Bloch, curator of the Florida Museum of Natural History, was quoted by the Daily Mail as saying.随着气温的下降,马的个头变大,反之马的个头就变小。

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《每日邮报》援引佛罗里达大自然历史博物馆馆长乔纳森布洛赫博士的话说道,它们一度像家猫那么小。The scientists say that the current warming could have the same effect on mammals and could even make humans smaller.科学家称之为,当前的全球气候变化有可能也不会对哺乳动物产生某种程度的影响,甚至可能会让人类的个子也变大。Horses started out small, about the size of a small dog like a miniature schnauzer. Whats surprising is that after they first appeared, they then became even smaller and then dramatically increased in size, and that exactly corresponds to the global warming event, followed by cooling.布洛赫博士在《科学》杂志中写到:马最初的个头较小,和一只小狗的个头差不多,约也就像一只迷你型雪纳瑞犬那么大。令人吃惊的是,在马问世后过了一段时间,它们的个子显得更加小,之后个头又明显逆大,而这些变化与全球逆温暖变冷正好是比较不应的。

It had been known that mammals were small during that time and that it was warm, but we hadnt understood that temperature specifically was driving the evolution of body size, Dr Bloch said in the Science journal.我们早已告诉哺乳动物在那个时期个头较小,而那个时期气候也较变暖,但我们还并未意识到正是温度驱动着身体大小的演化。


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