Hunting the Dinosaurs and Other Prehistoric AnimalsExamines how paleontologists discover, study, classify, reconstruct, and restore the fossil remains of many kinds of dinosaurs. |
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Page 6
... ruled the Earth . Sixty - five million years ago , they became extinct . THE CHANGING EARTH The hills and mountains of the Earth seem very old to us . The youngest mountain chain is the Himalayas . Laurasia Gondwanaland 180 million ...
... ruled the Earth . Sixty - five million years ago , they became extinct . THE CHANGING EARTH The hills and mountains of the Earth seem very old to us . The youngest mountain chain is the Himalayas . Laurasia Gondwanaland 180 million ...
Page 11
... ruled the Earth for 140 million years . Then they died out and mammals took over . Humans have been here only between two and five million years . 27. Tyrannosaurus 28. Hesperornis 29. Toxodon 30. Desmostylus 31. Human 21 20 23 24 225 ...
... ruled the Earth for 140 million years . Then they died out and mammals took over . Humans have been here only between two and five million years . 27. Tyrannosaurus 28. Hesperornis 29. Toxodon 30. Desmostylus 31. Human 21 20 23 24 225 ...
Page 12
... world today as in the past . They once ruled the Earth . Many people mistakenly call all prehistoric reptiles dinosaurs . Many prehistoric reptiles did not even live during the Age of Dinosaurs . Dinosaurs belong to a group of reptiles ...
... world today as in the past . They once ruled the Earth . Many people mistakenly call all prehistoric reptiles dinosaurs . Many prehistoric reptiles did not even live during the Age of Dinosaurs . Dinosaurs belong to a group of reptiles ...
Common terms and phrases
50 million Age of Dinosaurs Alberta amphibians animal looked animal that lays animal that lives animals and plants animals today archosaurs backbone backdrop body temperature Books About Dinosaurs call dinosaurs Carboniferous cold-blooded continents control its body Cooksonia crocodiles DINOSAUR LIBRARY Hunting dinosaur remains Dinosaur State Park Dinosaurs Hunting dinosaurs ruled discovered Edward Drinker Cope environment ferns fins forests evolved fossil skeletons fossilized remains Gondwanaland group of reptiles groups of vertebrates habitat group horny skin Horsetails Hunting the Dinosaurs ichthyosaur Iguanodon Jane Burton Jurassic Cretaceous Kill the Dinosaurs land late Triassic period Laurasia lizard lizard-hipped mammals Mantell meteor strike million years ago million years old mold mounted skeleton move Museum of Natural Natural History North America Ornithischia Othniel Charles Marsh paleobotany paleogeography Paleontologists plants evolved Prehistoric Animals prehistoric reptiles Pterosaurs RECONSTRUCTIONS AND RESTORATIONS restoration shows ruled the Earth Saurischia scientists suggested streamlined bodies Struthiomimus Styracosaurus teeth for eating Tyrannosaurus whole animal