Praveký svet obývali živočíchy, ktoré sa od dnešných druhov často výrazne líšili veľkosťou, spôsobom života aj stavbou tela.
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Researchers solve the mystery of why T Rex had tiny arms
The Tyrannosaurus rex is among the most well-known dinosaurs. Huge skull, massive teeth, a body weighing tons–and then those ...
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