BSC-1005 Lecture Notes - Lecture 15: Megalosaurus, Gideon Mantell, Joseph Leidy
Document Summary
Definitions: paleontologist someone who studies any aspect of ancient organisms, paleobiology the study of the lives of ancient organisms (physiology, behavior, ecology, functional anatomy) What makes a dinosaur a dinosaur: unique features, 3 or more sacral vertebrae fused backbones in hip region, 3 main fingers, perforate acetabulae hole through the hip. Yankee dinosaur first documented remains were tracks found in 1800: america 1858 joseph leidy was given nearly a complete skeleton of a dinosaur. Lecture 2: the age of dinosaurs - november 9, 2015. When did dinosaurs live: mesozoic era (age of dinosaurs): 238 million years until 65. 5 million years ago, uranium 235 used for dinosaur age sediment, commonly found in lava layers and ash fallout. Climate: warmer climate, no polar ice caps, higher ocean level, less land to live on, seaways crossed continents, arid in equatorial regions, wet and rainy at the poles. V: fairly flat, no major mountain ranges, many volcanoes.
