silurian arthropods câu
arthropods
Like other arthropods, they have eight legs.Giống như những loài nhện khác, chúng cũng có 8 chân. Unlike other arthropods, insects can...
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...
cambrian arthropods
With two copies in hand, scientists can now, with confidence, that the nervous tissue may in fact be the fossils, found in the exceptio...
silurian hypothesis
They have published a paper; ‘The Silurian hypothesis: Would it be Possible to Detect an Industrial Civilisation in the Geological Reco...
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 ...
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...
