Dinosaurs ruled the Earth for an astonishing span of time — a reign that began roughly 250 million years ago. Early dinosaurs were modest in size, but over millions of years they evolved into the spectacular variety of creatures that continue to captivate us today. Our understanding of them keeps evolving too. Scientists have revealed that many dinosaurs were attentive parents, could grow replacement teeth as old ones wore out, and mostly moved on two legs. Perhaps most remarkably of all, birds are their living descendants.
ISBN 13: 9780451532640
Author: Megan Stine
