1.The Origin of our Solar System and the Earth2. It’s in the stars… Nebula – an interstellar cloud of dust, hydrogen gas, helium gas and other ionized particles. The…

1.The Great Paleozoic Extinction The formation of Pangea resulted in a much dryer climate.By the end Permian 57% of the amphibian families declined and plants decreased in…

Slide 1 Slide 2 By Sebastian Farrugia Slide 3 A timeline helps us to understand when and how things happened over a period of time. A dinosaur timeline shows us how long…

Rockies Adventure 2009 Digging for Jurassic dinosaurs, rafting the Shoshone River, horseback riding in the Absaroka Range, spotting endangered wolves and grizzly in Yellowstone,…

U.S. Geological Survey and The National Academies; USGS OF-2007-1047, Short Research Paper 003; doi:10.3133/of2007-1047.srp003 The Dinosaurs of the Early Jurassic Hanson…