一种理论是“冰川熊”假说。 卡莫德现象反映了从11000年前结束的这个地区冰河时期残留下来的适应性改变。
One theory was the "glacial bear" hypothesis that Kermodism represented a remnant adaptation from the last great ice age, which ended here 11, 000 years ago.
奥陶纪冰河时期发生在4.44亿年前,有记录表明其CO2含量较高。
The Ordovician ice age happened 444 million years ago, and records have suggested that CO2 levels were relatively high then.
早在20000年前,地球正值冰河时期,那时的“腰围”可以说是比较苗条。
Earth had been 'slimming down' following the Ice Age, which finished about 20, 000 years ago.
碳定年法显示这种植物至少从小冰河时期(大约400年前)开始就从未接触过阳光。
Carbon dating showed that the vegetation had not seen the sun since at least near the start of the Little Ice Age, some 400 years ago.
碳定年法显示这种植物至少从小冰河时期(大约400年前)开始就从未接触过阳光。
Carbon dating showed that the vegetation had not seen the sun since at least near the start of the Little Ice Age, some 400 years ago.
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