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School Library Journal
Reviewed on November 1, 2019 | Elementary
Gr 3–7—All of the seven megabugs explored here are arthropods. The author defines arthropod, then places these prehistoric creatures in Earth's time line, providing important information such as the age of the Earth, the names of the geological eras, and the many periods that comprise an era. Information about how fossils ...Log In or Sign Up to Read More