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Broadening the basis of information on the topic of the Cretaceous extinction, this book particularly highlights evidence that points away from the global catastrophic scenario, towards a fossil based theory suggesting that a multitude of factors resulted in the period's radical changes.
James "Gum" Shoo and his friends are on a trip to the River City Natural History Museum, where they discover that a small dinosaur model and some chickens have both gone missing--and the four sixth-grade detectives promptly set out to discover who is behind the theft.
What happened to the dinosaurs? For millions of years these fantastic creatures roamed our planet. Then, suddenly, they all disappeared. Scientists wonder why. What could have caused this huge extinction 65 million years ago? In this enlarged edition, distinguished writer Franklyn M. Branley and award-winning artist Marc Simont provide the perfect introduction to an always fascinating subject - the disappearance of the dinosaurs. Outstanding Science Trade Books for Children 1989 (NSTA/CBC)
For centuries, science has been searching for clues to the disappearance of the dinosaurs without answering a critical question - Are all the dinosaurs really extinct? In The Mistaken Extinction: Dinosaur Evolution and the Origin of Birds, crackerjack paleontologists Lowell Dingus, President of Infoquest, a nonprofit education and research foundation, and former Director of the Fossil Hall Renovation at the American Museum of Natural History and Timothy Rowe, J. Nalle Gregory Regents Professor of Geology at the University of Texas, Austin, and Curator of Vertebrate Paleontology at the Texas Memorial Museum lead us on an adventurous tour through the history of our own planet Earth. And they force us to face a shocking truthThe answer to that critical question is no.
This study identifies the fall of dinosaurs as the factor that allowed mammals to evolve into the dominant tetrapod form. It refutes the single-cause impact theory for dinosaur extinction and demonstrates that multiple factors--massive volcanic eruptions, loss of shallow seas, and extraterrestrial impact--likely led to their demise. While their avian relatives ultimately survived and thrived, terrestrial dinosaurs did not. Taking their place as the dominant land and sea tetrapods were mammals, whose radiation was explosive following nonavian dinosaur extinction. The author argues that because of dinosaurs, Mesozoic mammals changed relatively slowly for 145 million years compared to the prodigious Cenozoic radiation that followed. Finally out from under the shadow of the giant reptiles, Cenozoic mammals evolved into the forms we recognize today in a mere ten million years after dinosaur extinction.
Wow! What a bunch of bones! Dinosaurs roar into Oakdale! Dinosaur fossils, that is. These bones are headed to an exhibit at the Oakdale College museum. The unveiling of the exhibit promises to reveal the newest prehistoric discovery -- the Mundioraptor. And David Barnes is working on an interactive display that will bring the creatures to life! But someone has very different plans for the newly discovered creatures. A mystery phone caller threatens to smash the valuable bones. Guarded by four Dobermans and a high-tech security system, the fossils at first seem safe. Then, just as David, Samantha Kepler, Joe Talbot, and Wishbone "TM" get a sneak peek at David's work, the electricity goes out! Trapped inside the dark museum, they realize that someone will go to any extent to make sure these dinos stay extinct!
The Freaky Joe Club investigates when someone tries to make sure that the Club does not win the Halloween costume contest.
It's time for recess, and the schoolyard is teeming with young pirates ready for action.
"THE ULTIMATE DINOSAUR BIOGRAPHY," hails Scientific American: A thrilling new history of the age of dinosaurs, from one of our finest young scientists. "A masterpiece of science writing." —Washington Post A New York Times Bestseller • Goodreads Choice Awards Winner • A BEST BOOK OF THE YEAR: Smithsonian, Science Friday, The Times (London), Popular Mechanics, Science News "This is scientific storytelling at its most visceral, striding with the beasts through their Triassic dawn, Jurassic dominance, and abrupt demise in the Cretaceous." —Nature The dinosaurs. Sixty-six million years ago, the Earth’s most fearsome creatures vanished. Today they remain one of our planet’s great mysteries. Now The Rise and Fall of the Dinosaurs reveals their extraordinary, 200-million-year-long story as never before. In this captivating narrative (enlivened with more than seventy original illustrations and photographs), Steve Brusatte, a young American paleontologist who has emerged as one of the foremost stars of the field—naming fifteen new species and leading groundbreaking scientific studies and fieldwork—masterfully tells the complete, surprising, and new history of the dinosaurs, drawing on cutting-edge science to dramatically bring to life their lost world and illuminate their enigmatic origins, spectacular flourishing, astonishing diversity, cataclysmic extinction, and startling living legacy. Captivating and revelatory, The Rise and Fall of the Dinosaurs is a book for the ages. Brusatte traces the evolution of dinosaurs from their inauspicious start as small shadow dwellers—themselves the beneficiaries of a mass extinction caused by volcanic eruptions at the beginning of the Triassic period—into the dominant array of species every wide-eyed child memorizes today, T. rex, Triceratops, Brontosaurus, and more. This gifted scientist and writer re-creates the dinosaurs’ peak during the Jurassic and Cretaceous, when thousands of species thrived, and winged and feathered dinosaurs, the prehistoric ancestors of modern birds, emerged. The story continues to the end of the Cretaceous period, when a giant asteroid or comet struck the planet and nearly every dinosaur species (but not all) died out, in the most extraordinary extinction event in earth’s history, one full of lessons for today as we confront a “sixth extinction.” Brusatte also recalls compelling stories from his globe-trotting expeditions during one of the most exciting eras in dinosaur research—which he calls “a new golden age of discovery”—and offers thrilling accounts of some of the remarkable findings he and his colleagues have made, including primitive human-sized tyrannosaurs; monstrous carnivores even larger than T. rex; and paradigm-shifting feathered raptors from China. An electrifying scientific history that unearths the dinosaurs’ epic saga, The Rise and Fall of the Dinosaurs will be a definitive and treasured account for decades to come. Includes 75 images, world maps of the prehistoric earth, and a dinosaur family tree.
Presents the names, physical characteristics, and places of origin of a variety of extinct animals, arranged chronologically into eras, periods, and epochs, and discusses times of mass extinction.