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Science » Life Sciences » Animals/Zoology

Dinosaurs

helps students answer questions about dinosaurs: What makes a dinosaur "a dinosaur"? Where did they live? What caused their mass extinction? Students can participate in a virtual dinosaur discovery, follow milestones in dinosaur evolution, and see behind-the-scenes slideshows of the lab environment where vertebrate specimens are prepared for exhibits and research. (National Museum of Natural History, Smithsonian Institution)

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Interesting Fact:

The most basic division of dinosaurs is into two groups: Saurischia and Ornithischia. The two groups first appeared at the start of the Late Triassic Period, and both survived until the end of the Late Cretaceous.
Theropods ('beast feet') include some of the most famous and popular dinosaurs.

Tyrannosaurus


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