This video uncovers the many clues fossils reveal about Earth's last 600 million years of life from the simplest organisms that colonized the oceans to the complex mammals that exist today. Live action footage, coupled with the latest ideas about ecology, bring to life the major life forms that thrived during the Paleozoic, Mesozoic, and Cenozoic geologic eras. Teacher's Guide and glossary included. Full-motion VHS. 20 minutes. Grades 7-12. Shipped directly from the manufacturer. Not available with rush shipping. Delivery time estimated at 10-14 days or less. Gift wrap not available. Information on how to place your order by fax or by telephone. Product Number AM8540