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a key region for studying ancient human migration, population interaction and genetic differentiation."The Wallace Line was previously regarded mainly as a classic biogeographical boundary separating
; 2026年5月22日17时55分,济南市气象台解除雷电黄色预警信号:目前历下区、市中区、槐荫区、天桥区、历城区、南部山区和起步区已无雷电活动。
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t upon earlier prehistoric regional differentiation," Zhang said.However, reconstructing this history has not been easy. Ancient DNA is extremely difficult to preserve under tropical conditions, where
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