"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.
Explains what insects were like in prehistoric times, describing their characteristics, life cycles, feeding habits, and fossils. Also includes a further resource list, activity suggestions, a quiz, and a glossary.