"Blue-blooded crabs? Platypus that sting? One-hundred-year old reptiles? Meet some of nature's longest-surviving species! Discover the stories of these incredible animals and find out how they help scientists piece together evolutionary history"--
Ages 8-14. Millbrook Press.|||Grades 4-6. Millbrook Press.|||juvenile
Rebecca E. Hirsch.
Includes bibliographical references (pages 45-46) and index.
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