Động vật đầu tiên xuất hiện từ ao hồ?
ổ tiên xa xưa nhất của chúng ta có thể xuất hiện từ hồ chứ không phải từ biển, các chuyên gia cho biết vào ngày 28/7 vừa qua.Một mẫu hoá thạch được tìm ra dưới lớp trầm tích của lòng hồ cổ đại tại Trung Quốc - Ảnh: APCho tới tận bây giờ, hầu hết các chuyên gia đều tin rằng cuộc tiến hoá bắt nguồn từ đại dương. Tuy nhiên mới đây một hoá thạch được cho là của loài động vật cổ xưa nhất được tìm ra tại Trung Quốc đã làm thay đổi quan niệm đó.
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