Dig deep into fossils

"Sea creature fossils are particularly interesting because they're often found where there isn't any water! They give scientists insight into how Earth has changed over time-in fact, over millions of years. Readers uncover some of the oldest sea creature fossils in this volume and find out how they formed, where they were found, and what they can tell us about the past, including where water once was and isn't anymore"--Provided by publisher.

"The first plants on Earth likely evolved around 700 million years ago, and their presence may have been what helped prepare Earth for the evolution of land animals . . . From casts to trace fossils, the different kinds of plant fossils are uncovered for . . . readers, supported by photographic examples of each"--Provided by publisher.

"Petrified forests are some of the coolest-looking fossils scientists find and study. They can tell us so much about the past, including what Earth was like before humans walked on it. How do these . . . remains form? Why? Readers can find the answers to these questions within the pages of this book, complete with close-up photographs of petrified wood they might never otherwise see"--Provided by publisher.

"According to fossils that have been found, insects have been living on Earth for more than 400 million years! That means they were around before the dinosaurs and long before humans walked on Earth. How do scientists know this? They study the different kinds of impressions left in rock from these amazing prehistoric creatures. . . . This book . . . explains the different kinds of insect fossils, how they formed, and what we've learned from them"--Provided by publisher.

"Scientists aren't quite sure exactly when humans evolved, but through fossils and artifacts, we have knowledge about human ancestors from millions of years ago. From bones to tools, the fossils that have been found each tell a small part of the story of our prehistoric past"--Provided by publisher.

"Dinosaurs roamed Earth between 230 million and 65 million years ago. That's not only long before the present day, but also long before Homo sapiens were around at all! Without fossils, we might not know anything about these fierce and interesting prehistoric animals. In this volume, readers learn how fossils form, the different kinds of dinosaur fossils scientists study, and just what we've learned from these . . . fossil finds"--Provided by publisher.