Prehistoric time line, geologic time scale ... The productive Paleozoic era gave rise to hard-shelled organisms, vertebrates, amphibians, and reptiles. Dinosaurs ruled the Earth in the mighty ...

🦕 Discover the 10 key species that defined each prehistoric era and their amazing adaptations. Get ready to explore the prehistoric world like never before! #Dinosaurs #PrehistoricEra # ...

A survey of the origins of painting, sculpture, and architecture from the prehistoric period through approximately 1300 CE. Works of art are discussed in their historical, cultural, and artistic ...