What is the adaptive significance of photoperiodism during evolution?
在演化过程中生物或植物以光周期适应(环境)之意义为何?
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The transcript is highly conserved during evolution.
该基因在进化过程中高度保守.
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Many species died out during evolution, but there are still some of them in existence now.
许多物种都在进化中相继消亡, 但依然有一些物种瓜瓞绵延至今.
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