silurian echinoderms câu
echinoderms
Echinoderms primarily use their tube feet to move about.Các loài Echinoderms chủ yếu sử dụng chân ống để di chuyển. Echinoderms primari...
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silurian
The armored fish evolved during the Silurian period.Những con cá bọc xương tiến hóa trong thời kỳ Silurian. The armored fish evolved du...
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silurian hypothesis
They have published a paper; ‘The Silurian hypothesis: Would it be Possible to Detect an Industrial Civilisation in the Geological Reco...
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silurian period
The armored fish evolved during the Silurian period.Những con cá bọc xương tiến hóa trong thời kỳ Silurian. The first species of fish ...
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ordovician–silurian extinction events
Ordovician–Silurian extinction events when 60% of marine species were wiped out.Sự kiện tuyệt chủng Ordovician-Silurian đã xóa sổ 85% l...
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