Prehistoric Life

Earth in the Jurassic period was much warmer with seas that teemed with life. Dinosaurs began to rule the land as the first sharks and crocodiles appeared in the water. Explore how life grew, adapted, and changed through the Jurassic Period. Engaging images and informative graphics help explain the development of life on Earth, while an encyclopedic-entry-style format makes the text approachable and highly browsable. Final comprehension questions encourage reflection on what readers have learned.

After the extinction event at the end of the Cretaceous Period, only a small number of species survived into the Cenozoic Era. Among those were small mammals who evolved to dominate life on land, including one species called homo sapiens--human beings. Engaging images and informative graphics help explain the development of life on Earth through the Cenozoic Era, while an encyclopedic-entry-style format makes the text approachable and highly browsable. Final comprehension questions encourage reflection on what readers have learned.

The Cretaceous Period was the age of dinosaurs. While reptiles ruled the land, animal and plant life thrived across the planet and sea levels reached record highs. Engaging images and informative graphics help explain the development of life on Earth throughout the Cretaceous Period, while an encyclopedic-entry-style format makes the text approachable and highly browsable. Final comprehension questions encourage reflection on what readers have learned.

Everyone has heard of the T. rex, but it wasn't the only scary dinosaur out there! Others were also bigger, more agile, faster, and perhaps deadlier. This volume of prehistoric dinosaurs introduces some lesser-known species to even the most dinosaur-loving reader, making it an essential volume for elementary libraries and classrooms. From size and strength to body features and behavior, the details of each dinosaur are included alongside accurate illustrations of each. A timeline at the end of the book aids readers' understanding of prehistory and dinosaurs alike.

Imagine a sea scorpion weighing more than 800 pounds and over 8 feet in length. It's terrifying-but also really cool! What happened to such a creature? And what arthropods descended from it? In this detailed book, readers investigate the prehistoric insects, bugs, and invertebrates that either died out or in part gave rise to life on Earth today. Bug lovers and geology enthusiasts alike can enjoy the many creatures included in this illustrated volume, learning when they lived, sometimes how they died, what they may have looked, and what they may have eaten!

Most readers are familiar with small lizards they see at the zoo and the fluffy pet mammals they may keep, from dogs to bunnies. But in prehistoric times, some reptiles and mammals were enormous, terrifying creatures! In this volume, readers can discover reptiles, mammals, sea creatures, and birds of the prehistoric era they may have never heard of. Fascinating details accompany illustrations of what each creature was likely to look like, and what it would have eaten, where it lived, and its size. A concluding timeline aids understanding of prehistory.

Nothing is more lovely than a garden of flowers on a sunny spring day. But daisies, roses, and petunias weren't cultivated in the prehistoric era like they are today! In fact, the flora of the time would have been entirely different from what kids are used to seeing today. This book introduces some of the interesting plants found on Earth millions of years ago, including where they lived, what they looked like, and how they were discovered by scientists.

From the earliest forms of life in the sea to the first dinosaurs that ruled the land, early life on Earth took many strange forms. Explore how life grew, adapted, and changed across a span of 275 million years from the Cambrian through the Triassic Period. Engaging images and informative graphics help explain the development of life on Earth, while an encyclopedic-entry-style format makes the text approachable and highly browsable. Final comprehension questions encourage reflection on what readers have learned.