Download or read book Where Are They Now? | Extinct Animals That Once Walked the Earth | Scientific Explorer Third Grade | Children's Zoology Books written by Baby Professor and published by Speedy Publishing LLC. This book was released on 2019-11-22 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Did you know that millennia ago, there lived many animals that would have fascinated you? These animals were figures of strength and magnificence. Unfortunately, changes to the natural environment and man-made actions have forced them to extinction. Identify organisms that once lived on Earth. We have compiled them in this educational book that’s perfect for third graders.