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Global warming 300 million years ago triggered the evolutionary1 burst which caused lizards2 to evolve into dinosaurs3, scientists revealed today. The new research is focused on the Carboniferous Period, when the supercontinent of Pangea was covered in tropical rainforests ruled by reptiles4. Scientists now believe that the Earth became significantly hotter during this age - turning rainforests into 'islands' surrounded by arid5 deserts. This climatic change caused lizards to adapt to live in drier conditions and led to the evolution of different varieties of dinosaurs。
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1
evolutionary
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| adj.进化的;演化的,演变的;[生]进化论的 | |
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lizards
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| n.蜥蜴( lizard的名词复数 ) | |
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dinosaurs
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| n.恐龙( dinosaur的名词复数 );守旧落伍的人,过时落后的东西 | |
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reptiles
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| n.爬行动物,爬虫( reptile的名词复数 ) | |
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arid
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| adj.干旱的;(土地)贫瘠的 | |
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6
indirectly
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| adv.间接地,不直接了当地 | |
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isolated
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| adj.与世隔绝的 | |
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affected
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| adj.不自然的,假装的 | |
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