You haven't changed a bit! Living fossils, or modern-day animals that very closely resemble their ancient relatives. Meet the coelacanth, horseshoe crab, dragonfly, tuatara, nautilus, and Hula painted frog. All are living fossils. Why have they changed so little over time, while other animals evolved or went extinct? Using contrasting "then" and "now" illustrations, veteran nonfiction writer Caroline Arnold alternates between a prehistoric creature...

Describes plants and animals that developed in ancient times and remain relatively unchanged today, including the cockroach, opossum, and ginkgo tree.

With a jellylike body, tentacles and the power to stop a person's heart, the jellyfish has survived for millions of years. Learn all about these living fossils from their life cycle to their habitat.

Looks at animals that existed in prehistoric times and still exist today and suggests how these creatures managed to survive while other animals are now extinct.