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This book describes the process through which fossils are created, and what we can learn from them.
Fossils give us a window to the past. Water, sediments, and pressure work together over time to preserve the shape of things that lived long ago. Studying these ancient plants and animals tells us more about our own existence. Have you ever searched for fossils? Unearth some in this book.
This ever-popular subject explains in detail how the Earth is made from rock, the three different types of rock, how rocks are made, and where they can be found. Students learn about how fossils are formed, how they help us learn about life long ago, and the importance of fossil fuels to our present and future life on Earth.
In this book, readers will learn about the fascinating stories behind fossils and how they are preserved. Vibrant, full-color photos and carefully leveled text will engage readers as they learn more about how fossils form, the shapes they take, and where they can be found.
What kind of dinosaur had a bony ridge that rose up from the back of its skull and three horns poking up from the front? A triceratops! This lively picture book will keep readers guessing as they find out what they might look like if they were a variety of different dinosaur species. Full color.
Explains how fossils are formed and what they tell us about the past.
There once was a little dog named Tray. He lived in England with his owner, Mary Ann Anning. Besides Mary Ann, Tray loved one other thing: He loved to dig for dinosaur bones. Together he and Mary Ann found small bones, big bones, and even entire skeletons! People came from all around the world to see the bones they found. This is the honestly true story of Tray, the dog that dug for dinosaurs.
One of the greatest mysteries in reconstructing the history of life on Earth has been the apparent absence of fossils dating back more than 550 million years. We have long known that fossils of sophisticated marine life-forms existed at the dawn of the Cambrian Period, but until recently scientists had found no traces of Precambrian fossils. The quest to find such traces began in earnest in the mid-1960s and culminated in one dramatic moment in 1993 when William Schopf identified fossilized microorganisms three and a half billion years old. This startling find opened up a vast period of time--some eighty-five percent of Earth's history--to new research and new ideas about life's beginnings. In this book, William Schopf, a pioneer of modern paleobiology, tells for the first time the exciting and fascinating story of the origins and earliest evolution of life and how that story has been unearthed. Gracefully blending his personal story of discovery with the basics needed to understand the astonishing science he describes, Schopf has produced an introduction to paleobiology for the interested reader as well as a primer for beginning students in the field. He considers such questions as how did primitive bacteria, pond scum, evolve into the complex life-forms found at the beginning of the Cambrian Period? How do scientists identify ancient microbes and what do these tiny creatures tell us about the environment of the early Earth? (And, in a related chapter, Schopf discusses his role in the controversy that swirls around recent claims of fossils in the famed meteorite from Mars.) Like all great teachers, Schopf teaches the non-specialist enough about his subject along the way that we can easily follow his descriptions of the geology, biology, and chemistry behind these discoveries. Anyone interested in the intriguing questions of the origins of life on Earth and how those origins have been discovered will find this story the best place to start.
With a lively rhyming text and vibrant paper collage illustrations, author-artist Bob Barner shakes the dust off the dinosaur bones found in museums and reminds us that they once belonged to living, breathing creatures. Filled with fun dinosaur facts (a T. Rex skull can weigh up to 750 pounds!) and an informational "Dinometer," Dinosaur Bones is sure to make young dinosaur enthusiasts roar with delight.
Much of our understanding of ancient plants and animals comes from the fossil record. Big or small, fossils offer images of life on Earth from billions of years ago! Young paleontologists will solidify their interests by learning how to study fossils in this fascinating title.